Home / 713,790,438.40-1,068,296,870.40-498,799,590.40

Finding the Fourth Proportional to 713,790,438.40, 1,068,296,870.40 and 498,799,590.40

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Solution

The fourth proportional to 713,790,438.40, 1,068,296,870.40 and 498,799,590.40 is: 746,530,091.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,790,438.40 : 1,068,296,870.40 = 498,799,590.40 : x
  2. Step 2: Convert to fraction form
    713,790,438.40/1,068,296,870.40 = 498,799,590.40/x
  3. Step 3: Cross multiply
    713,790,438.40x = 1,068,296,870.40 × 498,799,590.40
  4. Step 4: Simplify right side
    713,790,438.40x = 532,866,041,381,121,856
  5. Step 5: Solve for x
    x = 532,866,041,381,121,856/713,790,438.40
  6. Step 6: Final answer
    x = 746,530,091.63

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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.