Home / 871,156,823.73-1,202,182,142.09-474,684,516.69

Finding the Fourth Proportional to 871,156,823.73, 1,202,182,142.09 and 474,684,516.69

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Solution

The fourth proportional to 871,156,823.73, 1,202,182,142.09 and 474,684,516.69 is: 655,056,854.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,156,823.73 : 1,202,182,142.09 = 474,684,516.69 : x
  2. Step 2: Convert to fraction form
    871,156,823.73/1,202,182,142.09 = 474,684,516.69/x
  3. Step 3: Cross multiply
    871,156,823.73x = 1,202,182,142.09 × 474,684,516.69
  4. Step 4: Simplify right side
    871,156,823.73x = 570,657,249,088,967,168
  5. Step 5: Solve for x
    x = 570,657,249,088,967,168/871,156,823.73
  6. Step 6: Final answer
    x = 655,056,854.91

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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.