Home / 648,494,888.22-972,744,606-157,206,158.46

Finding the Fourth Proportional to 648,494,888.22, 972,744,606 and 157,206,158.46

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Solution

The fourth proportional to 648,494,888.22, 972,744,606 and 157,206,158.46 is: 235,809,788.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,494,888.22 : 972,744,606 = 157,206,158.46 : x
  2. Step 2: Convert to fraction form
    648,494,888.22/972,744,606 = 157,206,158.46/x
  3. Step 3: Cross multiply
    648,494,888.22x = 972,744,606 × 157,206,158.46
  4. Step 4: Simplify right side
    648,494,888.22x = 152,921,442,671,946,272
  5. Step 5: Solve for x
    x = 152,921,442,671,946,272/648,494,888.22
  6. Step 6: Final answer
    x = 235,809,788.87

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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.