Home / 442,867,926.80-664,301,890.20-435,215,176.40

Finding the Fourth Proportional to 442,867,926.80, 664,301,890.20 and 435,215,176.40

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Solution

The fourth proportional to 442,867,926.80, 664,301,890.20 and 435,215,176.40 is: 652,822,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,867,926.80 : 664,301,890.20 = 435,215,176.40 : x
  2. Step 2: Convert to fraction form
    442,867,926.80/664,301,890.20 = 435,215,176.40/x
  3. Step 3: Cross multiply
    442,867,926.80x = 664,301,890.20 × 435,215,176.40
  4. Step 4: Simplify right side
    442,867,926.80x = 289,114,264,326,246,464
  5. Step 5: Solve for x
    x = 289,114,264,326,246,464/442,867,926.80
  6. Step 6: Final answer
    x = 652,822,764.60

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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.