Home / 907,825,426.60-1,361,738,139.90-540,493,407.40

Finding the Fourth Proportional to 907,825,426.60, 1,361,738,139.90 and 540,493,407.40

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Solution

The fourth proportional to 907,825,426.60, 1,361,738,139.90 and 540,493,407.40 is: 810,740,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,825,426.60 : 1,361,738,139.90 = 540,493,407.40 : x
  2. Step 2: Convert to fraction form
    907,825,426.60/1,361,738,139.90 = 540,493,407.40/x
  3. Step 3: Cross multiply
    907,825,426.60x = 1,361,738,139.90 × 540,493,407.40
  4. Step 4: Simplify right side
    907,825,426.60x = 736,010,487,221,088,896
  5. Step 5: Solve for x
    x = 736,010,487,221,088,896/907,825,426.60
  6. Step 6: Final answer
    x = 810,740,111.10

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Double scale
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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.