Home / 1,211,074,680.87-1,671,283,700.10-654,157,726.92

Finding the Fourth Proportional to 1,211,074,680.87, 1,671,283,700.10 and 654,157,726.92

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Solution

The fourth proportional to 1,211,074,680.87, 1,671,283,700.10 and 654,157,726.92 is: 902,738,009.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,074,680.87 : 1,671,283,700.10 = 654,157,726.92 : x
  2. Step 2: Convert to fraction form
    1,211,074,680.87/1,671,283,700.10 = 654,157,726.92/x
  3. Step 3: Cross multiply
    1,211,074,680.87x = 1,671,283,700.10 × 654,157,726.92
  4. Step 4: Simplify right side
    1,211,074,680.87x = 1,093,283,146,295,862,784
  5. Step 5: Solve for x
    x = 1,093,283,146,295,862,784/1,211,074,680.87
  6. Step 6: Final answer
    x = 902,738,009.11

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Double scale
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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.