Home / 424,892,438.07-586,337,813.64-243,869,215.47

Finding the Fourth Proportional to 424,892,438.07, 586,337,813.64 and 243,869,215.47

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Solution

The fourth proportional to 424,892,438.07, 586,337,813.64 and 243,869,215.47 is: 336,531,624.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,892,438.07 : 586,337,813.64 = 243,869,215.47 : x
  2. Step 2: Convert to fraction form
    424,892,438.07/586,337,813.64 = 243,869,215.47/x
  3. Step 3: Cross multiply
    424,892,438.07x = 586,337,813.64 × 243,869,215.47
  4. Step 4: Simplify right side
    424,892,438.07x = 142,989,742,612,781,856
  5. Step 5: Solve for x
    x = 142,989,742,612,781,856/424,892,438.07
  6. Step 6: Final answer
    x = 336,531,624.95

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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.