Home / 1,132,912,656.47-1,699,623,737.57-345,900,470.14

Finding the Fourth Proportional to 1,132,912,656.47, 1,699,623,737.57 and 345,900,470.14

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Solution

The fourth proportional to 1,132,912,656.47, 1,699,623,737.57 and 345,900,470.14 is: 518,928,486.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,912,656.47 : 1,699,623,737.57 = 345,900,470.14 : x
  2. Step 2: Convert to fraction form
    1,132,912,656.47/1,699,623,737.57 = 345,900,470.14/x
  3. Step 3: Cross multiply
    1,132,912,656.47x = 1,699,623,737.57 × 345,900,470.14
  4. Step 4: Simplify right side
    1,132,912,656.47x = 587,900,649,880,588,416
  5. Step 5: Solve for x
    x = 587,900,649,880,588,416/1,132,912,656.47
  6. Step 6: Final answer
    x = 518,928,486.26

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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.