Home / 969,643,820.57-1,338,112,558.95-546,262,561.85

Finding the Fourth Proportional to 969,643,820.57, 1,338,112,558.95 and 546,262,561.85

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Solution

The fourth proportional to 969,643,820.57, 1,338,112,558.95 and 546,262,561.85 is: 753,844,637.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,643,820.57 : 1,338,112,558.95 = 546,262,561.85 : x
  2. Step 2: Convert to fraction form
    969,643,820.57/1,338,112,558.95 = 546,262,561.85/x
  3. Step 3: Cross multiply
    969,643,820.57x = 1,338,112,558.95 × 546,262,561.85
  4. Step 4: Simplify right side
    969,643,820.57x = 730,960,794,495,686,144
  5. Step 5: Solve for x
    x = 730,960,794,495,686,144/969,643,820.57
  6. Step 6: Final answer
    x = 753,844,637.58

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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.