Home / 701,725,780.40-1,051,454,929.80-442,477,050.80

Finding the Fourth Proportional to 701,725,780.40, 1,051,454,929.80 and 442,477,050.80

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Solution

The fourth proportional to 701,725,780.40, 1,051,454,929.80 and 442,477,050.80 is: 663,000,689.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,725,780.40 : 1,051,454,929.80 = 442,477,050.80 : x
  2. Step 2: Convert to fraction form
    701,725,780.40/1,051,454,929.80 = 442,477,050.80/x
  3. Step 3: Cross multiply
    701,725,780.40x = 1,051,454,929.80 × 442,477,050.80
  4. Step 4: Simplify right side
    701,725,780.40x = 465,244,676,387,025,024
  5. Step 5: Solve for x
    x = 465,244,676,387,025,024/701,725,780.40
  6. Step 6: Final answer
    x = 663,000,689.70

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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.