Home / 1,119,732,266.16-1,545,811,439.31-817,978,754.16

Finding the Fourth Proportional to 1,119,732,266.16, 1,545,811,439.31 and 817,978,754.16

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Solution

The fourth proportional to 1,119,732,266.16, 1,545,811,439.31 and 817,978,754.16 is: 1,129,235,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,732,266.16 : 1,545,811,439.31 = 817,978,754.16 : x
  2. Step 2: Convert to fraction form
    1,119,732,266.16/1,545,811,439.31 = 817,978,754.16/x
  3. Step 3: Cross multiply
    1,119,732,266.16x = 1,545,811,439.31 × 817,978,754.16
  4. Step 4: Simplify right side
    1,119,732,266.16x = 1,264,440,915,293,070,080
  5. Step 5: Solve for x
    x = 1,264,440,915,293,070,080/1,119,732,266.16
  6. Step 6: Final answer
    x = 1,129,235,044.40

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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.