Home / 649,938,864.72-896,915,633.33-371,486,367.03

Finding the Fourth Proportional to 649,938,864.72, 896,915,633.33 and 371,486,367.03

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Solution

The fourth proportional to 649,938,864.72, 896,915,633.33 and 371,486,367.03 is: 512,651,186.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,938,864.72 : 896,915,633.33 = 371,486,367.03 : x
  2. Step 2: Convert to fraction form
    649,938,864.72/896,915,633.33 = 371,486,367.03/x
  3. Step 3: Cross multiply
    649,938,864.72x = 896,915,633.33 × 371,486,367.03
  4. Step 4: Simplify right side
    649,938,864.72x = 333,191,930,159,101,952
  5. Step 5: Solve for x
    x = 333,191,930,159,101,952/649,938,864.72
  6. Step 6: Final answer
    x = 512,651,186.51

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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.