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Finding the Fourth Proportional to 1,091,800,266.55, 1,637,700,399.83 and 678,551,744.95

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Solution

The fourth proportional to 1,091,800,266.55, 1,637,700,399.83 and 678,551,744.95 is: 1,017,827,617.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,800,266.55 : 1,637,700,399.83 = 678,551,744.95 : x
  2. Step 2: Convert to fraction form
    1,091,800,266.55/1,637,700,399.83 = 678,551,744.95/x
  3. Step 3: Cross multiply
    1,091,800,266.55x = 1,637,700,399.83 × 678,551,744.95
  4. Step 4: Simplify right side
    1,091,800,266.55x = 1,111,264,464,006,566,528
  5. Step 5: Solve for x
    x = 1,111,264,464,006,566,528/1,091,800,266.55
  6. Step 6: Final answer
    x = 1,017,827,617.43

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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.