Home / 20,754,150,011.32-31,124,786,420.94-7,487,683,673.08

Finding the Fourth Proportional to 20,754,150,011.32, 31,124,786,420.94 and 7,487,683,673.08

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Solution

The fourth proportional to 20,754,150,011.32, 31,124,786,420.94 and 7,487,683,673.08 is: 11,229,202,592.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,754,150,011.32 : 31,124,786,420.94 = 7,487,683,673.08 : x
  2. Step 2: Convert to fraction form
    20,754,150,011.32/31,124,786,420.94 = 7,487,683,673.08/x
  3. Step 3: Cross multiply
    20,754,150,011.32x = 31,124,786,420.94 × 7,487,683,673.08
  4. Step 4: Simplify right side
    20,754,150,011.32x = 233,052,555,112,174,518,272
  5. Step 5: Solve for x
    x = 233,052,555,112,174,518,272/20,754,150,011.32
  6. Step 6: Final answer
    x = 11,229,202,592.50

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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.