Home / 652,160,846.61-899,985,882.22-354,805,221.92

Finding the Fourth Proportional to 652,160,846.61, 899,985,882.22 and 354,805,221.92

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Solution

The fourth proportional to 652,160,846.61, 899,985,882.22 and 354,805,221.92 is: 489,633,335.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,160,846.61 : 899,985,882.22 = 354,805,221.92 : x
  2. Step 2: Convert to fraction form
    652,160,846.61/899,985,882.22 = 354,805,221.92/x
  3. Step 3: Cross multiply
    652,160,846.61x = 899,985,882.22 × 354,805,221.92
  4. Step 4: Simplify right side
    652,160,846.61x = 319,319,690,660,547,136
  5. Step 5: Solve for x
    x = 319,319,690,660,547,136/652,160,846.61
  6. Step 6: Final answer
    x = 489,633,335.58

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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.