Home / 366,654,600.17-507,315,742.32-319,709,565.71

Finding the Fourth Proportional to 366,654,600.17, 507,315,742.32 and 319,709,565.71

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Solution

The fourth proportional to 366,654,600.17, 507,315,742.32 and 319,709,565.71 is: 442,361,000.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,654,600.17 : 507,315,742.32 = 319,709,565.71 : x
  2. Step 2: Convert to fraction form
    366,654,600.17/507,315,742.32 = 319,709,565.71/x
  3. Step 3: Cross multiply
    366,654,600.17x = 507,315,742.32 × 319,709,565.71
  4. Step 4: Simplify right side
    366,654,600.17x = 162,193,695,654,973,440
  5. Step 5: Solve for x
    x = 162,193,695,654,973,440/366,654,600.17
  6. Step 6: Final answer
    x = 442,361,000.19

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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.