Home / 1,011,715,118.61-1,395,739,342.74-677,295,385.86

Finding the Fourth Proportional to 1,011,715,118.61, 1,395,739,342.74 and 677,295,385.86

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Solution

The fourth proportional to 1,011,715,118.61, 1,395,739,342.74 and 677,295,385.86 is: 934,381,427.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,715,118.61 : 1,395,739,342.74 = 677,295,385.86 : x
  2. Step 2: Convert to fraction form
    1,011,715,118.61/1,395,739,342.74 = 677,295,385.86/x
  3. Step 3: Cross multiply
    1,011,715,118.61x = 1,395,739,342.74 × 677,295,385.86
  4. Step 4: Simplify right side
    1,011,715,118.61x = 945,327,816,708,878,720
  5. Step 5: Solve for x
    x = 945,327,816,708,878,720/1,011,715,118.61
  6. Step 6: Final answer
    x = 934,381,427.46

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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.