Home / 651,690,332.25-899,326,335.71-354,332,570.49

Finding the Fourth Proportional to 651,690,332.25, 899,326,335.71 and 354,332,570.49

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Solution

The fourth proportional to 651,690,332.25, 899,326,335.71 and 354,332,570.49 is: 488,975,509.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,690,332.25 : 899,326,335.71 = 354,332,570.49 : x
  2. Step 2: Convert to fraction form
    651,690,332.25/899,326,335.71 = 354,332,570.49/x
  3. Step 3: Cross multiply
    651,690,332.25x = 899,326,335.71 × 354,332,570.49
  4. Step 4: Simplify right side
    651,690,332.25x = 318,660,612,239,705,344
  5. Step 5: Solve for x
    x = 318,660,612,239,705,344/651,690,332.25
  6. Step 6: Final answer
    x = 488,975,509.49

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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.