Home / 931,681,203.80-1,396,334,920.80-495,190,995.80

Finding the Fourth Proportional to 931,681,203.80, 1,396,334,920.80 and 495,190,995.80

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Solution

The fourth proportional to 931,681,203.80, 1,396,334,920.80 and 495,190,995.80 is: 742,155,661.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,681,203.80 : 1,396,334,920.80 = 495,190,995.80 : x
  2. Step 2: Convert to fraction form
    931,681,203.80/1,396,334,920.80 = 495,190,995.80/x
  3. Step 3: Cross multiply
    931,681,203.80x = 1,396,334,920.80 × 495,190,995.80
  4. Step 4: Simplify right side
    931,681,203.80x = 691,452,479,901,266,176
  5. Step 5: Solve for x
    x = 691,452,479,901,266,176/931,681,203.80
  6. Step 6: Final answer
    x = 742,155,661.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.