Home / 641,656,782.27-960,827,555.43-442,849,523.78

Finding the Fourth Proportional to 641,656,782.27, 960,827,555.43 and 442,849,523.78

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Solution

The fourth proportional to 641,656,782.27, 960,827,555.43 and 442,849,523.78 is: 663,130,254.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,656,782.27 : 960,827,555.43 = 442,849,523.78 : x
  2. Step 2: Convert to fraction form
    641,656,782.27/960,827,555.43 = 442,849,523.78/x
  3. Step 3: Cross multiply
    641,656,782.27x = 960,827,555.43 × 442,849,523.78
  4. Step 4: Simplify right side
    641,656,782.27x = 425,502,025,353,180,032
  5. Step 5: Solve for x
    x = 425,502,025,353,180,032/641,656,782.27
  6. Step 6: Final answer
    x = 663,130,254.54

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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.