Home / 1,190,569,001.70-1,643,077,152.78-714,277,230.78

Finding the Fourth Proportional to 1,190,569,001.70, 1,643,077,152.78 and 714,277,230.78

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Solution

The fourth proportional to 1,190,569,001.70, 1,643,077,152.78 and 714,277,230.78 is: 985,757,731.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,569,001.70 : 1,643,077,152.78 = 714,277,230.78 : x
  2. Step 2: Convert to fraction form
    1,190,569,001.70/1,643,077,152.78 = 714,277,230.78/x
  3. Step 3: Cross multiply
    1,190,569,001.70x = 1,643,077,152.78 × 714,277,230.78
  4. Step 4: Simplify right side
    1,190,569,001.70x = 1,173,612,598,645,585,408
  5. Step 5: Solve for x
    x = 1,173,612,598,645,585,408/1,190,569,001.70
  6. Step 6: Final answer
    x = 985,757,731.78

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1.5x scale

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.