Home / 991,911,581.06-1,368,837,580.19-545,874,942.89

Finding the Fourth Proportional to 991,911,581.06, 1,368,837,580.19 and 545,874,942.89

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Solution

The fourth proportional to 991,911,581.06, 1,368,837,580.19 and 545,874,942.89 is: 753,307,200.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,911,581.06 : 1,368,837,580.19 = 545,874,942.89 : x
  2. Step 2: Convert to fraction form
    991,911,581.06/1,368,837,580.19 = 545,874,942.89/x
  3. Step 3: Cross multiply
    991,911,581.06x = 1,368,837,580.19 × 545,874,942.89
  4. Step 4: Simplify right side
    991,911,581.06x = 747,214,135,912,594,816
  5. Step 5: Solve for x
    x = 747,214,135,912,594,816/991,911,581.06
  6. Step 6: Final answer
    x = 753,307,200.14

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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.