Home / 1,348,704,119.10-2,023,112,165.85-428,554,487.10

Finding the Fourth Proportional to 1,348,704,119.10, 2,023,112,165.85 and 428,554,487.10

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Solution

The fourth proportional to 1,348,704,119.10, 2,023,112,165.85 and 428,554,487.10 is: 642,849,520.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,704,119.10 : 2,023,112,165.85 = 428,554,487.10 : x
  2. Step 2: Convert to fraction form
    1,348,704,119.10/2,023,112,165.85 = 428,554,487.10/x
  3. Step 3: Cross multiply
    1,348,704,119.10x = 2,023,112,165.85 × 428,554,487.10
  4. Step 4: Simplify right side
    1,348,704,119.10x = 867,013,796,581,616,896
  5. Step 5: Solve for x
    x = 867,013,796,581,616,896/1,348,704,119.10
  6. Step 6: Final answer
    x = 642,849,520.74

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Double scale
Find fourth proportional to 1,348,704,120.10, 2,023,112,167.35 and 428,554,488.10
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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.