Home / 1,114,921,601.25-1,538,632,263.33-638,704,008.29

Finding the Fourth Proportional to 1,114,921,601.25, 1,538,632,263.33 and 638,704,008.29

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Solution

The fourth proportional to 1,114,921,601.25, 1,538,632,263.33 and 638,704,008.29 is: 881,434,706.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,921,601.25 : 1,538,632,263.33 = 638,704,008.29 : x
  2. Step 2: Convert to fraction form
    1,114,921,601.25/1,538,632,263.33 = 638,704,008.29/x
  3. Step 3: Cross multiply
    1,114,921,601.25x = 1,538,632,263.33 × 638,704,008.29
  4. Step 4: Simplify right side
    1,114,921,601.25x = 982,730,593,868,899,328
  5. Step 5: Solve for x
    x = 982,730,593,868,899,328/1,114,921,601.25
  6. Step 6: Final answer
    x = 881,434,706.05

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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.