Home / 539,472,502.05-744,472,043.78-291,953,856.30

Finding the Fourth Proportional to 539,472,502.05, 744,472,043.78 and 291,953,856.30

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Solution

The fourth proportional to 539,472,502.05, 744,472,043.78 and 291,953,856.30 is: 402,896,316.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,472,502.05 : 744,472,043.78 = 291,953,856.30 : x
  2. Step 2: Convert to fraction form
    539,472,502.05/744,472,043.78 = 291,953,856.30/x
  3. Step 3: Cross multiply
    539,472,502.05x = 744,472,043.78 × 291,953,856.30
  4. Step 4: Simplify right side
    539,472,502.05x = 217,351,484,089,113,440
  5. Step 5: Solve for x
    x = 217,351,484,089,113,440/539,472,502.05
  6. Step 6: Final answer
    x = 402,896,316.80

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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.