Home / 528,847,902.60-793,271,853.90-392,799,006.60

Finding the Fourth Proportional to 528,847,902.60, 793,271,853.90 and 392,799,006.60

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Solution

The fourth proportional to 528,847,902.60, 793,271,853.90 and 392,799,006.60 is: 589,198,509.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,847,902.60 : 793,271,853.90 = 392,799,006.60 : x
  2. Step 2: Convert to fraction form
    528,847,902.60/793,271,853.90 = 392,799,006.60/x
  3. Step 3: Cross multiply
    528,847,902.60x = 793,271,853.90 × 392,799,006.60
  4. Step 4: Simplify right side
    528,847,902.60x = 311,596,396,175,660,352
  5. Step 5: Solve for x
    x = 311,596,396,175,660,352/528,847,902.60
  6. Step 6: Final answer
    x = 589,198,509.90

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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.