Home / 497,866,101.40-746,799,152.10-210,614,440.60

Finding the Fourth Proportional to 497,866,101.40, 746,799,152.10 and 210,614,440.60

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Solution

The fourth proportional to 497,866,101.40, 746,799,152.10 and 210,614,440.60 is: 315,921,660.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,866,101.40 : 746,799,152.10 = 210,614,440.60 : x
  2. Step 2: Convert to fraction form
    497,866,101.40/746,799,152.10 = 210,614,440.60/x
  3. Step 3: Cross multiply
    497,866,101.40x = 746,799,152.10 × 210,614,440.60
  4. Step 4: Simplify right side
    497,866,101.40x = 157,286,685,660,095,808
  5. Step 5: Solve for x
    x = 157,286,685,660,095,808/497,866,101.40
  6. Step 6: Final answer
    x = 315,921,660.90

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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.