Home / 1,009,264,249.02-1,513,896,373.53-272,332,971.21

Finding the Fourth Proportional to 1,009,264,249.02, 1,513,896,373.53 and 272,332,971.21

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Solution

The fourth proportional to 1,009,264,249.02, 1,513,896,373.53 and 272,332,971.21 is: 408,499,456.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,264,249.02 : 1,513,896,373.53 = 272,332,971.21 : x
  2. Step 2: Convert to fraction form
    1,009,264,249.02/1,513,896,373.53 = 272,332,971.21/x
  3. Step 3: Cross multiply
    1,009,264,249.02x = 1,513,896,373.53 × 272,332,971.21
  4. Step 4: Simplify right side
    1,009,264,249.02x = 412,283,897,507,468,864
  5. Step 5: Solve for x
    x = 412,283,897,507,468,864/1,009,264,249.02
  6. Step 6: Final answer
    x = 408,499,456.82

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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.