Home / 649,938,877.84-896,915,651.44-371,486,380.16

Finding the Fourth Proportional to 649,938,877.84, 896,915,651.44 and 371,486,380.16

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Solution

The fourth proportional to 649,938,877.84, 896,915,651.44 and 371,486,380.16 is: 512,651,204.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,938,877.84 : 896,915,651.44 = 371,486,380.16 : x
  2. Step 2: Convert to fraction form
    649,938,877.84/896,915,651.44 = 371,486,380.16/x
  3. Step 3: Cross multiply
    649,938,877.84x = 896,915,651.44 × 371,486,380.16
  4. Step 4: Simplify right side
    649,938,877.84x = 333,191,948,662,293,952
  5. Step 5: Solve for x
    x = 333,191,948,662,293,952/649,938,877.84
  6. Step 6: Final answer
    x = 512,651,204.63

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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.