Home / 880,890,159.47-1,215,651,459.31-479,027,411.61

Finding the Fourth Proportional to 880,890,159.47, 1,215,651,459.31 and 479,027,411.61

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Solution

The fourth proportional to 880,890,159.47, 1,215,651,459.31 and 479,027,411.61 is: 661,070,356.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,890,159.47 : 1,215,651,459.31 = 479,027,411.61 : x
  2. Step 2: Convert to fraction form
    880,890,159.47/1,215,651,459.31 = 479,027,411.61/x
  3. Step 3: Cross multiply
    880,890,159.47x = 1,215,651,459.31 × 479,027,411.61
  4. Step 4: Simplify right side
    880,890,159.47x = 582,330,371,974,264,192
  5. Step 5: Solve for x
    x = 582,330,371,974,264,192/880,890,159.47
  6. Step 6: Final answer
    x = 661,070,356.74

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1.5x scale

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.