Home / 528,031,683.10-792,330,959.85-221,354,796.70

Finding the Fourth Proportional to 528,031,683.10, 792,330,959.85 and 221,354,796.70

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Solution

The fourth proportional to 528,031,683.10, 792,330,959.85 and 221,354,796.70 is: 332,151,013.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,031,683.10 : 792,330,959.85 = 221,354,796.70 : x
  2. Step 2: Convert to fraction form
    528,031,683.10/792,330,959.85 = 221,354,796.70/x
  3. Step 3: Cross multiply
    528,031,683.10x = 792,330,959.85 × 221,354,796.70
  4. Step 4: Simplify right side
    528,031,683.10x = 175,386,258,536,712,608
  5. Step 5: Solve for x
    x = 175,386,258,536,712,608/528,031,683.10
  6. Step 6: Final answer
    x = 332,151,013.19

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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.