Home / 825,984,016.60-1,238,976,024.90-578,744,541.40

Finding the Fourth Proportional to 825,984,016.60, 1,238,976,024.90 and 578,744,541.40

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Solution

The fourth proportional to 825,984,016.60, 1,238,976,024.90 and 578,744,541.40 is: 868,116,812.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,984,016.60 : 1,238,976,024.90 = 578,744,541.40 : x
  2. Step 2: Convert to fraction form
    825,984,016.60/1,238,976,024.90 = 578,744,541.40/x
  3. Step 3: Cross multiply
    825,984,016.60x = 1,238,976,024.90 × 578,744,541.40
  4. Step 4: Simplify right side
    825,984,016.60x = 717,050,611,336,345,472
  5. Step 5: Solve for x
    x = 717,050,611,336,345,472/825,984,016.60
  6. Step 6: Final answer
    x = 868,116,812.10

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1.5x scale

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.