Home / 630,416,411.80-944,587,008.72-215,666,507.40

Finding the Fourth Proportional to 630,416,411.80, 944,587,008.72 and 215,666,507.40

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Solution

The fourth proportional to 630,416,411.80, 944,587,008.72 and 215,666,507.40 is: 323,144,793.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,416,411.80 : 944,587,008.72 = 215,666,507.40 : x
  2. Step 2: Convert to fraction form
    630,416,411.80/944,587,008.72 = 215,666,507.40/x
  3. Step 3: Cross multiply
    630,416,411.80x = 944,587,008.72 × 215,666,507.40
  4. Step 4: Simplify right side
    630,416,411.80x = 203,715,781,106,055,744
  5. Step 5: Solve for x
    x = 203,715,781,106,055,744/630,416,411.80
  6. Step 6: Final answer
    x = 323,144,793.33

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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.