Home / 649,938,876.84-896,915,650.06-371,486,379.16

Finding the Fourth Proportional to 649,938,876.84, 896,915,650.06 and 371,486,379.16

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Solution

The fourth proportional to 649,938,876.84, 896,915,650.06 and 371,486,379.16 is: 512,651,203.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,938,876.84 : 896,915,650.06 = 371,486,379.16 : x
  2. Step 2: Convert to fraction form
    649,938,876.84/896,915,650.06 = 371,486,379.16/x
  3. Step 3: Cross multiply
    649,938,876.84x = 896,915,650.06 × 371,486,379.16
  4. Step 4: Simplify right side
    649,938,876.84x = 333,191,947,252,727,040
  5. Step 5: Solve for x
    x = 333,191,947,252,727,040/649,938,876.84
  6. Step 6: Final answer
    x = 512,651,203.25

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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.