Home / 708,849,649.20-1,061,573,862.60-344,918,852.40

Finding the Fourth Proportional to 708,849,649.20, 1,061,573,862.60 and 344,918,852.40

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Solution

The fourth proportional to 708,849,649.20, 1,061,573,862.60 and 344,918,852.40 is: 516,550,778.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,849,649.20 : 1,061,573,862.60 = 344,918,852.40 : x
  2. Step 2: Convert to fraction form
    708,849,649.20/1,061,573,862.60 = 344,918,852.40/x
  3. Step 3: Cross multiply
    708,849,649.20x = 1,061,573,862.60 × 344,918,852.40
  4. Step 4: Simplify right side
    708,849,649.20x = 366,156,838,425,827,264
  5. Step 5: Solve for x
    x = 366,156,838,425,827,264/708,849,649.20
  6. Step 6: Final answer
    x = 516,550,778.91

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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.