Home / 1,090,295,147.70-1,635,442,721.55-507,835,811.70

Finding the Fourth Proportional to 1,090,295,147.70, 1,635,442,721.55 and 507,835,811.70

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Solution

The fourth proportional to 1,090,295,147.70, 1,635,442,721.55 and 507,835,811.70 is: 761,753,717.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,295,147.70 : 1,635,442,721.55 = 507,835,811.70 : x
  2. Step 2: Convert to fraction form
    1,090,295,147.70/1,635,442,721.55 = 507,835,811.70/x
  3. Step 3: Cross multiply
    1,090,295,147.70x = 1,635,442,721.55 × 507,835,811.70
  4. Step 4: Simplify right side
    1,090,295,147.70x = 830,536,381,987,201,280
  5. Step 5: Solve for x
    x = 830,536,381,987,201,280/1,090,295,147.70
  6. Step 6: Final answer
    x = 761,753,717.55

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Half scale
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Double scale
Find fourth proportional to 1,090,295,148.70, 1,635,442,723.05 and 507,835,812.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.