Home / 992,100,077.70-1,368,401,069.25-652,900,481.51

Finding the Fourth Proportional to 992,100,077.70, 1,368,401,069.25 and 652,900,481.51

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Solution

The fourth proportional to 992,100,077.70, 1,368,401,069.25 and 652,900,481.51 is: 900,543,944.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,100,077.70 : 1,368,401,069.25 = 652,900,481.51 : x
  2. Step 2: Convert to fraction form
    992,100,077.70/1,368,401,069.25 = 652,900,481.51/x
  3. Step 3: Cross multiply
    992,100,077.70x = 1,368,401,069.25 × 652,900,481.51
  4. Step 4: Simplify right side
    992,100,077.70x = 893,429,717,012,123,904
  5. Step 5: Solve for x
    x = 893,429,717,012,123,904/992,100,077.70
  6. Step 6: Final answer
    x = 900,543,944.20

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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.