Home / 862,676,612.90-1,190,547,076.52-475,992,152.95

Finding the Fourth Proportional to 862,676,612.90, 1,190,547,076.52 and 475,992,152.95

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Solution

The fourth proportional to 862,676,612.90, 1,190,547,076.52 and 475,992,152.95 is: 656,898,607.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,676,612.90 : 1,190,547,076.52 = 475,992,152.95 : x
  2. Step 2: Convert to fraction form
    862,676,612.90/1,190,547,076.52 = 475,992,152.95/x
  3. Step 3: Cross multiply
    862,676,612.90x = 1,190,547,076.52 × 475,992,152.95
  4. Step 4: Simplify right side
    862,676,612.90x = 566,691,066,141,546,944
  5. Step 5: Solve for x
    x = 566,691,066,141,546,944/862,676,612.90
  6. Step 6: Final answer
    x = 656,898,607.97

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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.