Home / 7,187,235,140.32-9,918,201,769.23-4,015,442,878.22

Finding the Fourth Proportional to 7,187,235,140.32, 9,918,201,769.23 and 4,015,442,878.22

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Solution

The fourth proportional to 7,187,235,140.32, 9,918,201,769.23 and 4,015,442,878.22 is: 5,541,209,085.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187,235,140.32 : 9,918,201,769.23 = 4,015,442,878.22 : x
  2. Step 2: Convert to fraction form
    7,187,235,140.32/9,918,201,769.23 = 4,015,442,878.22/x
  3. Step 3: Cross multiply
    7,187,235,140.32x = 9,918,201,769.23 × 4,015,442,878.22
  4. Step 4: Simplify right side
    7,187,235,140.32x = 39,825,972,659,030,343,680
  5. Step 5: Solve for x
    x = 39,825,972,659,030,343,680/7,187,235,140.32
  6. Step 6: Final answer
    x = 5,541,209,085.48

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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.