Home / 1,140,016,199.46-1,573,215,785.85-618,484,234.02

Finding the Fourth Proportional to 1,140,016,199.46, 1,573,215,785.85 and 618,484,234.02

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Solution

The fourth proportional to 1,140,016,199.46, 1,573,215,785.85 and 618,484,234.02 is: 853,504,678.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,016,199.46 : 1,573,215,785.85 = 618,484,234.02 : x
  2. Step 2: Convert to fraction form
    1,140,016,199.46/1,573,215,785.85 = 618,484,234.02/x
  3. Step 3: Cross multiply
    1,140,016,199.46x = 1,573,215,785.85 × 618,484,234.02
  4. Step 4: Simplify right side
    1,140,016,199.46x = 973,009,160,259,609,472
  5. Step 5: Solve for x
    x = 973,009,160,259,609,472/1,140,016,199.46
  6. Step 6: Final answer
    x = 853,504,678.90

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Double scale
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1.5x scale

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.