Home / 1,512,675,945.29-2,087,492,808.52-817,314,921.29

Finding the Fourth Proportional to 1,512,675,945.29, 2,087,492,808.52 and 817,314,921.29

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Solution

The fourth proportional to 1,512,675,945.29, 2,087,492,808.52 and 817,314,921.29 is: 1,127,894,593.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,675,945.29 : 2,087,492,808.52 = 817,314,921.29 : x
  2. Step 2: Convert to fraction form
    1,512,675,945.29/2,087,492,808.52 = 817,314,921.29/x
  3. Step 3: Cross multiply
    1,512,675,945.29x = 2,087,492,808.52 × 817,314,921.29
  4. Step 4: Simplify right side
    1,512,675,945.29x = 1,706,139,020,495,246,080
  5. Step 5: Solve for x
    x = 1,706,139,020,495,246,080/1,512,675,945.29
  6. Step 6: Final answer
    x = 1,127,894,593.55

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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.