Home / 712,051,456.68-1,068,197,776.20-245,586,226.68

Finding the Fourth Proportional to 712,051,456.68, 1,068,197,776.20 and 245,586,226.68

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Solution

The fourth proportional to 712,051,456.68, 1,068,197,776.20 and 245,586,226.68 is: 368,420,931.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,051,456.68 : 1,068,197,776.20 = 245,586,226.68 : x
  2. Step 2: Convert to fraction form
    712,051,456.68/1,068,197,776.20 = 245,586,226.68/x
  3. Step 3: Cross multiply
    712,051,456.68x = 1,068,197,776.20 × 245,586,226.68
  4. Step 4: Simplify right side
    712,051,456.68x = 262,334,661,204,925,120
  5. Step 5: Solve for x
    x = 262,334,661,204,925,120/712,051,456.68
  6. Step 6: Final answer
    x = 368,420,931.86

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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.