Home / 12,639,029,699.09-17,435,248,309.38-7,814,852,587.46

Finding the Fourth Proportional to 12,639,029,699.09, 17,435,248,309.38 and 7,814,852,587.46

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Solution

The fourth proportional to 12,639,029,699.09, 17,435,248,309.38 and 7,814,852,587.46 is: 10,780,407,880.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,639,029,699.09 : 17,435,248,309.38 = 7,814,852,587.46 : x
  2. Step 2: Convert to fraction form
    12,639,029,699.09/17,435,248,309.38 = 7,814,852,587.46/x
  3. Step 3: Cross multiply
    12,639,029,699.09x = 17,435,248,309.38 × 7,814,852,587.46
  4. Step 4: Simplify right side
    12,639,029,699.09x = 136,253,895,363,640,721,408
  5. Step 5: Solve for x
    x = 136,253,895,363,640,721,408/12,639,029,699.09
  6. Step 6: Final answer
    x = 10,780,407,880.00

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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.