Home / 649,938,863.30-896,915,631.32-371,486,365.53

Finding the Fourth Proportional to 649,938,863.30, 896,915,631.32 and 371,486,365.53

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Solution

The fourth proportional to 649,938,863.30, 896,915,631.32 and 371,486,365.53 is: 512,651,184.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,938,863.30 : 896,915,631.32 = 371,486,365.53 : x
  2. Step 2: Convert to fraction form
    649,938,863.30/896,915,631.32 = 371,486,365.53/x
  3. Step 3: Cross multiply
    649,938,863.30x = 896,915,631.32 × 371,486,365.53
  4. Step 4: Simplify right side
    649,938,863.30x = 333,191,928,064,254,784
  5. Step 5: Solve for x
    x = 333,191,928,064,254,784/649,938,863.30
  6. Step 6: Final answer
    x = 512,651,184.41

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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.