Home / 447,553,503.20-671,330,254.80-326,621,151.20

Finding the Fourth Proportional to 447,553,503.20, 671,330,254.80 and 326,621,151.20

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Solution

The fourth proportional to 447,553,503.20, 671,330,254.80 and 326,621,151.20 is: 489,931,726.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,553,503.20 : 671,330,254.80 = 326,621,151.20 : x
  2. Step 2: Convert to fraction form
    447,553,503.20/671,330,254.80 = 326,621,151.20/x
  3. Step 3: Cross multiply
    447,553,503.20x = 671,330,254.80 × 326,621,151.20
  4. Step 4: Simplify right side
    447,553,503.20x = 219,270,660,658,165,312
  5. Step 5: Solve for x
    x = 219,270,660,658,165,312/447,553,503.20
  6. Step 6: Final answer
    x = 489,931,726.80

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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.