Home / 531,442,021.20-797,163,031.80-326,304,920.40

Finding the Fourth Proportional to 531,442,021.20, 797,163,031.80 and 326,304,920.40

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Solution

The fourth proportional to 531,442,021.20, 797,163,031.80 and 326,304,920.40 is: 489,457,380.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,442,021.20 : 797,163,031.80 = 326,304,920.40 : x
  2. Step 2: Convert to fraction form
    531,442,021.20/797,163,031.80 = 326,304,920.40/x
  3. Step 3: Cross multiply
    531,442,021.20x = 797,163,031.80 × 326,304,920.40
  4. Step 4: Simplify right side
    531,442,021.20x = 260,118,219,637,321,632
  5. Step 5: Solve for x
    x = 260,118,219,637,321,632/531,442,021.20
  6. Step 6: Final answer
    x = 489,457,380.60

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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.