Home / 971,115,687.40-1,340,084,624.81-547,704,041.74

Finding the Fourth Proportional to 971,115,687.40, 1,340,084,624.81 and 547,704,041.74

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Solution

The fourth proportional to 971,115,687.40, 1,340,084,624.81 and 547,704,041.74 is: 755,800,544.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,115,687.40 : 1,340,084,624.81 = 547,704,041.74 : x
  2. Step 2: Convert to fraction form
    971,115,687.40/1,340,084,624.81 = 547,704,041.74/x
  3. Step 3: Cross multiply
    971,115,687.40x = 1,340,084,624.81 × 547,704,041.74
  4. Step 4: Simplify right side
    971,115,687.40x = 733,969,765,280,477,312
  5. Step 5: Solve for x
    x = 733,969,765,280,477,312/971,115,687.40
  6. Step 6: Final answer
    x = 755,800,544.47

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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.