Home / 489,930,244.40-734,895,366.60-326,671,569.20

Finding the Fourth Proportional to 489,930,244.40, 734,895,366.60 and 326,671,569.20

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Solution

The fourth proportional to 489,930,244.40, 734,895,366.60 and 326,671,569.20 is: 490,007,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,930,244.40 : 734,895,366.60 = 326,671,569.20 : x
  2. Step 2: Convert to fraction form
    489,930,244.40/734,895,366.60 = 326,671,569.20/x
  3. Step 3: Cross multiply
    489,930,244.40x = 734,895,366.60 × 326,671,569.20
  4. Step 4: Simplify right side
    489,930,244.40x = 240,069,422,605,031,264
  5. Step 5: Solve for x
    x = 240,069,422,605,031,264/489,930,244.40
  6. Step 6: Final answer
    x = 490,007,353.80

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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.