Home / 653,202,031.20-979,803,046.80-290,404,975.20

Finding the Fourth Proportional to 653,202,031.20, 979,803,046.80 and 290,404,975.20

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Solution

The fourth proportional to 653,202,031.20, 979,803,046.80 and 290,404,975.20 is: 435,607,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,202,031.20 : 979,803,046.80 = 290,404,975.20 : x
  2. Step 2: Convert to fraction form
    653,202,031.20/979,803,046.80 = 290,404,975.20/x
  3. Step 3: Cross multiply
    653,202,031.20x = 979,803,046.80 × 290,404,975.20
  4. Step 4: Simplify right side
    653,202,031.20x = 284,539,679,506,838,400
  5. Step 5: Solve for x
    x = 284,539,679,506,838,400/653,202,031.20
  6. Step 6: Final answer
    x = 435,607,462.80

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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.