Home / 1,011,012,607.84-1,517,222,905.14-356,016,392.20

Finding the Fourth Proportional to 1,011,012,607.84, 1,517,222,905.14 and 356,016,392.20

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Solution

The fourth proportional to 1,011,012,607.84, 1,517,222,905.14 and 356,016,392.20 is: 534,272,491.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,012,607.84 : 1,517,222,905.14 = 356,016,392.20 : x
  2. Step 2: Convert to fraction form
    1,011,012,607.84/1,517,222,905.14 = 356,016,392.20/x
  3. Step 3: Cross multiply
    1,011,012,607.84x = 1,517,222,905.14 × 356,016,392.20
  4. Step 4: Simplify right side
    1,011,012,607.84x = 540,156,224,851,145,664
  5. Step 5: Solve for x
    x = 540,156,224,851,145,664/1,011,012,607.84
  6. Step 6: Final answer
    x = 534,272,491.42

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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.