Home / 649,938,853.14-896,915,617.32-371,486,355.39

Finding the Fourth Proportional to 649,938,853.14, 896,915,617.32 and 371,486,355.39

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Solution

The fourth proportional to 649,938,853.14, 896,915,617.32 and 371,486,355.39 is: 512,651,170.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,938,853.14 : 896,915,617.32 = 371,486,355.39 : x
  2. Step 2: Convert to fraction form
    649,938,853.14/896,915,617.32 = 371,486,355.39/x
  3. Step 3: Cross multiply
    649,938,853.14x = 896,915,617.32 × 371,486,355.39
  4. Step 4: Simplify right side
    649,938,853.14x = 333,191,913,770,578,752
  5. Step 5: Solve for x
    x = 333,191,913,770,578,752/649,938,853.14
  6. Step 6: Final answer
    x = 512,651,170.43

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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.