Home / 988,293,285.11-1,363,869,833.08-542,256,530.10

Finding the Fourth Proportional to 988,293,285.11, 1,363,869,833.08 and 542,256,530.10

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Solution

The fourth proportional to 988,293,285.11, 1,363,869,833.08 and 542,256,530.10 is: 748,327,783.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,293,285.11 : 1,363,869,833.08 = 542,256,530.10 : x
  2. Step 2: Convert to fraction form
    988,293,285.11/1,363,869,833.08 = 542,256,530.10/x
  3. Step 3: Cross multiply
    988,293,285.11x = 1,363,869,833.08 × 542,256,530.10
  4. Step 4: Simplify right side
    988,293,285.11x = 739,567,323,194,027,008
  5. Step 5: Solve for x
    x = 739,567,323,194,027,008/988,293,285.11
  6. Step 6: Final answer
    x = 748,327,783.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.