Home / 987,098,755.76-1,480,648,043.73-434,401,184.01

Finding the Fourth Proportional to 987,098,755.76, 1,480,648,043.73 and 434,401,184.01

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Solution

The fourth proportional to 987,098,755.76, 1,480,648,043.73 and 434,401,184.01 is: 651,601,736.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,098,755.76 : 1,480,648,043.73 = 434,401,184.01 : x
  2. Step 2: Convert to fraction form
    987,098,755.76/1,480,648,043.73 = 434,401,184.01/x
  3. Step 3: Cross multiply
    987,098,755.76x = 1,480,648,043.73 × 434,401,184.01
  4. Step 4: Simplify right side
    987,098,755.76x = 643,195,263,298,402,304
  5. Step 5: Solve for x
    x = 643,195,263,298,402,304/987,098,755.76
  6. Step 6: Final answer
    x = 651,601,736.45

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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.