Home / 615,029,434,385.70-922,207,842,332.05-488,357,825,959.78

Finding the Fourth Proportional to 615,029,434,385.70, 922,207,842,332.05 and 488,357,825,959.78

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Solution

The fourth proportional to 615,029,434,385.70, 922,207,842,332.05 and 488,357,825,959.78 is: 732,269,696,025.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,029,434,385.70 : 922,207,842,332.05 = 488,357,825,959.78 : x
  2. Step 2: Convert to fraction form
    615,029,434,385.70/922,207,842,332.05 = 488,357,825,959.78/x
  3. Step 3: Cross multiply
    615,029,434,385.70x = 922,207,842,332.05 × 488,357,825,959.78
  4. Step 4: Simplify right side
    615,029,434,385.70x = 450,367,416,964,339,541,737,472
  5. Step 5: Solve for x
    x = 450,367,416,964,339,541,737,472/615,029,434,385.70
  6. Step 6: Final answer
    x = 732,269,696,025.48

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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.