Home / 1,308,119,137.17-1,804,894,127.99-743,559,580.57

Finding the Fourth Proportional to 1,308,119,137.17, 1,804,894,127.99 and 743,559,580.57

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Solution

The fourth proportional to 1,308,119,137.17, 1,804,894,127.99 and 743,559,580.57 is: 1,025,935,851.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,119,137.17 : 1,804,894,127.99 = 743,559,580.57 : x
  2. Step 2: Convert to fraction form
    1,308,119,137.17/1,804,894,127.99 = 743,559,580.57/x
  3. Step 3: Cross multiply
    1,308,119,137.17x = 1,804,894,127.99 × 743,559,580.57
  4. Step 4: Simplify right side
    1,308,119,137.17x = 1,342,046,320,781,500,416
  5. Step 5: Solve for x
    x = 1,342,046,320,781,500,416/1,308,119,137.17
  6. Step 6: Final answer
    x = 1,025,935,851.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.