Home / 1,248,092,130.40-1,872,138,195.60-603,119,586.40

Finding the Fourth Proportional to 1,248,092,130.40, 1,872,138,195.60 and 603,119,586.40

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Solution

The fourth proportional to 1,248,092,130.40, 1,872,138,195.60 and 603,119,586.40 is: 904,679,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,092,130.40 : 1,872,138,195.60 = 603,119,586.40 : x
  2. Step 2: Convert to fraction form
    1,248,092,130.40/1,872,138,195.60 = 603,119,586.40/x
  3. Step 3: Cross multiply
    1,248,092,130.40x = 1,872,138,195.60 × 603,119,586.40
  4. Step 4: Simplify right side
    1,248,092,130.40x = 1,129,123,214,213,914,240
  5. Step 5: Solve for x
    x = 1,129,123,214,213,914,240/1,248,092,130.40
  6. Step 6: Final answer
    x = 904,679,379.60

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Half scale
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Double scale
Find fourth proportional to 1,248,092,131.40, 1,872,138,197.10 and 603,119,587.40
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.