Home / 20,153,550,760.40-30,208,155,209.40-7,060,608,117.20

Finding the Fourth Proportional to 20,153,550,760.40, 30,208,155,209.40 and 7,060,608,117.20

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Solution

The fourth proportional to 20,153,550,760.40, 30,208,155,209.40 and 7,060,608,117.20 is: 10,583,144,797.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,153,550,760.40 : 30,208,155,209.40 = 7,060,608,117.20 : x
  2. Step 2: Convert to fraction form
    20,153,550,760.40/30,208,155,209.40 = 7,060,608,117.20/x
  3. Step 3: Cross multiply
    20,153,550,760.40x = 30,208,155,209.40 × 7,060,608,117.20
  4. Step 4: Simplify right side
    20,153,550,760.40x = 213,287,945,877,127,102,464
  5. Step 5: Solve for x
    x = 213,287,945,877,127,102,464/20,153,550,760.40
  6. Step 6: Final answer
    x = 10,583,144,797.30

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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.