Home / 871,344,139.24-1,202,455,101.54-474,867,222.76

Finding the Fourth Proportional to 871,344,139.24, 1,202,455,101.54 and 474,867,222.76

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Solution

The fourth proportional to 871,344,139.24, 1,202,455,101.54 and 474,867,222.76 is: 655,316,870.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,344,139.24 : 1,202,455,101.54 = 474,867,222.76 : x
  2. Step 2: Convert to fraction form
    871,344,139.24/1,202,455,101.54 = 474,867,222.76/x
  3. Step 3: Cross multiply
    871,344,139.24x = 1,202,455,101.54 × 474,867,222.76
  4. Step 4: Simplify right side
    871,344,139.24x = 571,006,514,561,893,568
  5. Step 5: Solve for x
    x = 571,006,514,561,893,568/871,344,139.24
  6. Step 6: Final answer
    x = 655,316,870.62

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Half scale
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Double scale
Find fourth proportional to 871,344,140.24, 1,202,455,102.92 and 474,867,223.76
Similar ratio
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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.