Home / 977,069,918.70-1,465,604,878.05-330,837,662.70

Finding the Fourth Proportional to 977,069,918.70, 1,465,604,878.05 and 330,837,662.70

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Solution

The fourth proportional to 977,069,918.70, 1,465,604,878.05 and 330,837,662.70 is: 496,256,494.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,069,918.70 : 1,465,604,878.05 = 330,837,662.70 : x
  2. Step 2: Convert to fraction form
    977,069,918.70/1,465,604,878.05 = 330,837,662.70/x
  3. Step 3: Cross multiply
    977,069,918.70x = 1,465,604,878.05 × 330,837,662.70
  4. Step 4: Simplify right side
    977,069,918.70x = 484,877,292,295,780,480
  5. Step 5: Solve for x
    x = 484,877,292,295,780,480/977,069,918.70
  6. Step 6: Final answer
    x = 496,256,494.05

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Double scale
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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.