Home / 898,593,835.05-1,240,182,671.94-517,108,034.16

Finding the Fourth Proportional to 898,593,835.05, 1,240,182,671.94 and 517,108,034.16

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Solution

The fourth proportional to 898,593,835.05, 1,240,182,671.94 and 517,108,034.16 is: 713,679,972.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,593,835.05 : 1,240,182,671.94 = 517,108,034.16 : x
  2. Step 2: Convert to fraction form
    898,593,835.05/1,240,182,671.94 = 517,108,034.16/x
  3. Step 3: Cross multiply
    898,593,835.05x = 1,240,182,671.94 × 517,108,034.16
  4. Step 4: Simplify right side
    898,593,835.05x = 641,308,423,486,189,696
  5. Step 5: Solve for x
    x = 641,308,423,486,189,696/898,593,835.05
  6. Step 6: Final answer
    x = 713,679,972.50

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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.