Home / 1,515,985,541.70-2,273,978,312.55-926,723,760.90

Finding the Fourth Proportional to 1,515,985,541.70, 2,273,978,312.55 and 926,723,760.90

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Solution

The fourth proportional to 1,515,985,541.70, 2,273,978,312.55 and 926,723,760.90 is: 1,390,085,641.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,985,541.70 : 2,273,978,312.55 = 926,723,760.90 : x
  2. Step 2: Convert to fraction form
    1,515,985,541.70/2,273,978,312.55 = 926,723,760.90/x
  3. Step 3: Cross multiply
    1,515,985,541.70x = 2,273,978,312.55 × 926,723,760.90
  4. Step 4: Simplify right side
    1,515,985,541.70x = 2,107,349,734,011,371,776
  5. Step 5: Solve for x
    x = 2,107,349,734,011,371,776/1,515,985,541.70
  6. Step 6: Final answer
    x = 1,390,085,641.35

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1.5x scale

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.