Home / 472,018,315.59-707,906,702.19-139,947,675.62

Finding the Fourth Proportional to 472,018,315.59, 707,906,702.19 and 139,947,675.62

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Solution

The fourth proportional to 472,018,315.59, 707,906,702.19 and 139,947,675.62 is: 209,885,706.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,018,315.59 : 707,906,702.19 = 139,947,675.62 : x
  2. Step 2: Convert to fraction form
    472,018,315.59/707,906,702.19 = 139,947,675.62/x
  3. Step 3: Cross multiply
    472,018,315.59x = 707,906,702.19 × 139,947,675.62
  4. Step 4: Simplify right side
    472,018,315.59x = 99,069,897,529,079,840
  5. Step 5: Solve for x
    x = 99,069,897,529,079,840/472,018,315.59
  6. Step 6: Final answer
    x = 209,885,706.25

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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.