Home / 749,088,008.20-1,123,632,012.30-628,155,656.20

Finding the Fourth Proportional to 749,088,008.20, 1,123,632,012.30 and 628,155,656.20

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Solution

The fourth proportional to 749,088,008.20, 1,123,632,012.30 and 628,155,656.20 is: 942,233,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,088,008.20 : 1,123,632,012.30 = 628,155,656.20 : x
  2. Step 2: Convert to fraction form
    749,088,008.20/1,123,632,012.30 = 628,155,656.20/x
  3. Step 3: Cross multiply
    749,088,008.20x = 1,123,632,012.30 × 628,155,656.20
  4. Step 4: Simplify right side
    749,088,008.20x = 705,815,804,013,633,024
  5. Step 5: Solve for x
    x = 705,815,804,013,633,024/749,088,008.20
  6. Step 6: Final answer
    x = 942,233,484.30

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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.