Home / 528,031,684.60-792,330,962.10-221,354,798.20

Finding the Fourth Proportional to 528,031,684.60, 792,330,962.10 and 221,354,798.20

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Solution

The fourth proportional to 528,031,684.60, 792,330,962.10 and 221,354,798.20 is: 332,151,015.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,031,684.60 : 792,330,962.10 = 221,354,798.20 : x
  2. Step 2: Convert to fraction form
    528,031,684.60/792,330,962.10 = 221,354,798.20/x
  3. Step 3: Cross multiply
    528,031,684.60x = 792,330,962.10 × 221,354,798.20
  4. Step 4: Simplify right side
    528,031,684.60x = 175,386,260,223,257,344
  5. Step 5: Solve for x
    x = 175,386,260,223,257,344/528,031,684.60
  6. Step 6: Final answer
    x = 332,151,015.44

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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.