Home / 890,031,973.20-1,335,614,830.20-521,566,213.20

Finding the Fourth Proportional to 890,031,973.20, 1,335,614,830.20 and 521,566,213.20

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Solution

The fourth proportional to 890,031,973.20, 1,335,614,830.20 and 521,566,213.20 is: 782,681,510.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,031,973.20 : 1,335,614,830.20 = 521,566,213.20 : x
  2. Step 2: Convert to fraction form
    890,031,973.20/1,335,614,830.20 = 521,566,213.20/x
  3. Step 3: Cross multiply
    890,031,973.20x = 1,335,614,830.20 × 521,566,213.20
  4. Step 4: Simplify right side
    890,031,973.20x = 696,611,569,281,175,040
  5. Step 5: Solve for x
    x = 696,611,569,281,175,040/890,031,973.20
  6. Step 6: Final answer
    x = 782,681,510.62

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1.5x scale

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.