Home / 871,439,397.69-1,202,611,572.62-474,988,065.42

Finding the Fourth Proportional to 871,439,397.69, 1,202,611,572.62 and 474,988,065.42

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Solution

The fourth proportional to 871,439,397.69, 1,202,611,572.62 and 474,988,065.42 is: 655,497,267.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,439,397.69 : 1,202,611,572.62 = 474,988,065.42 : x
  2. Step 2: Convert to fraction form
    871,439,397.69/1,202,611,572.62 = 474,988,065.42/x
  3. Step 3: Cross multiply
    871,439,397.69x = 1,202,611,572.62 × 474,988,065.42
  4. Step 4: Simplify right side
    871,439,397.69x = 571,226,144,330,477,632
  5. Step 5: Solve for x
    x = 571,226,144,330,477,632/871,439,397.69
  6. Step 6: Final answer
    x = 655,497,267.90

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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.