Home / 1,267,791,286.71-1,749,289,985.57-731,933,666.01

Finding the Fourth Proportional to 1,267,791,286.71, 1,749,289,985.57 and 731,933,666.01

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Solution

The fourth proportional to 1,267,791,286.71, 1,749,289,985.57 and 731,933,666.01 is: 1,009,917,204.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,791,286.71 : 1,749,289,985.57 = 731,933,666.01 : x
  2. Step 2: Convert to fraction form
    1,267,791,286.71/1,749,289,985.57 = 731,933,666.01/x
  3. Step 3: Cross multiply
    1,267,791,286.71x = 1,749,289,985.57 × 731,933,666.01
  4. Step 4: Simplify right side
    1,267,791,286.71x = 1,280,364,232,046,969,856
  5. Step 5: Solve for x
    x = 1,280,364,232,046,969,856/1,267,791,286.71
  6. Step 6: Final answer
    x = 1,009,917,204.41

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Double scale
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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.