Home / 1,018,564,347,393.80-1,405,623,169,356.80-555,601,475,007.30

Finding the Fourth Proportional to 1,018,564,347,393.80, 1,405,623,169,356.80 and 555,601,475,007.30

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Solution

The fourth proportional to 1,018,564,347,393.80, 1,405,623,169,356.80 and 555,601,475,007.30 is: 766,732,419,210.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,564,347,393.80 : 1,405,623,169,356.80 = 555,601,475,007.30 : x
  2. Step 2: Convert to fraction form
    1,018,564,347,393.80/1,405,623,169,356.80 = 555,601,475,007.30/x
  3. Step 3: Cross multiply
    1,018,564,347,393.80x = 1,405,623,169,356.80 × 555,601,475,007.30
  4. Step 4: Simplify right side
    1,018,564,347,393.80x = 780,966,306,199,074,013,970,432
  5. Step 5: Solve for x
    x = 780,966,306,199,074,013,970,432/1,018,564,347,393.80
  6. Step 6: Final answer
    x = 766,732,419,210.76

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Double scale
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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.