Home / 842,024,334.32-1,256,869,184.80-742,623,609.68

Finding the Fourth Proportional to 842,024,334.32, 1,256,869,184.80 and 742,623,609.68

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Solution

The fourth proportional to 842,024,334.32, 1,256,869,184.80 and 742,623,609.68 is: 1,108,496,147.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,024,334.32 : 1,256,869,184.80 = 742,623,609.68 : x
  2. Step 2: Convert to fraction form
    842,024,334.32/1,256,869,184.80 = 742,623,609.68/x
  3. Step 3: Cross multiply
    842,024,334.32x = 1,256,869,184.80 × 742,623,609.68
  4. Step 4: Simplify right side
    842,024,334.32x = 933,380,730,911,734,912
  5. Step 5: Solve for x
    x = 933,380,730,911,734,912/842,024,334.32
  6. Step 6: Final answer
    x = 1,108,496,147.76

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.