Home / 460,335,467.74-690,939,747.22-284,927,909.30

Finding the Fourth Proportional to 460,335,467.74, 690,939,747.22 and 284,927,909.30

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Solution

The fourth proportional to 460,335,467.74, 690,939,747.22 and 284,927,909.30 is: 427,662,066.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,335,467.74 : 690,939,747.22 = 284,927,909.30 : x
  2. Step 2: Convert to fraction form
    460,335,467.74/690,939,747.22 = 284,927,909.30/x
  3. Step 3: Cross multiply
    460,335,467.74x = 690,939,747.22 × 284,927,909.30
  4. Step 4: Simplify right side
    460,335,467.74x = 196,868,017,627,665,088
  5. Step 5: Solve for x
    x = 196,868,017,627,665,088/460,335,467.74
  6. Step 6: Final answer
    x = 427,662,066.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.