Home / 782,191,554.36-1,079,157,382.32-484,725,260.20

Finding the Fourth Proportional to 782,191,554.36, 1,079,157,382.32 and 484,725,260.20

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Solution

The fourth proportional to 782,191,554.36, 1,079,157,382.32 and 484,725,260.20 is: 668,755,421.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,191,554.36 : 1,079,157,382.32 = 484,725,260.20 : x
  2. Step 2: Convert to fraction form
    782,191,554.36/1,079,157,382.32 = 484,725,260.20/x
  3. Step 3: Cross multiply
    782,191,554.36x = 1,079,157,382.32 × 484,725,260.20
  4. Step 4: Simplify right side
    782,191,554.36x = 523,094,842,941,812,864
  5. Step 5: Solve for x
    x = 523,094,842,941,812,864/782,191,554.36
  6. Step 6: Final answer
    x = 668,755,421.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.