Home / 784,003,417.92-1,176,017,596.92-436,458,497.16

Finding the Fourth Proportional to 784,003,417.92, 1,176,017,596.92 and 436,458,497.16

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Solution

The fourth proportional to 784,003,417.92, 1,176,017,596.92 and 436,458,497.16 is: 654,694,687.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,003,417.92 : 1,176,017,596.92 = 436,458,497.16 : x
  2. Step 2: Convert to fraction form
    784,003,417.92/1,176,017,596.92 = 436,458,497.16/x
  3. Step 3: Cross multiply
    784,003,417.92x = 1,176,017,596.92 × 436,458,497.16
  4. Step 4: Simplify right side
    784,003,417.92x = 513,282,872,985,417,920
  5. Step 5: Solve for x
    x = 513,282,872,985,417,920/784,003,417.92
  6. Step 6: Final answer
    x = 654,694,687.87

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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.