Home / 1,485,246,400.80-2,227,869,601.20-748,031,445.60

Finding the Fourth Proportional to 1,485,246,400.80, 2,227,869,601.20 and 748,031,445.60

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Solution

The fourth proportional to 1,485,246,400.80, 2,227,869,601.20 and 748,031,445.60 is: 1,122,047,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,246,400.80 : 2,227,869,601.20 = 748,031,445.60 : x
  2. Step 2: Convert to fraction form
    1,485,246,400.80/2,227,869,601.20 = 748,031,445.60/x
  3. Step 3: Cross multiply
    1,485,246,400.80x = 2,227,869,601.20 × 748,031,445.60
  4. Step 4: Simplify right side
    1,485,246,400.80x = 1,666,516,518,393,931,520
  5. Step 5: Solve for x
    x = 1,666,516,518,393,931,520/1,485,246,400.80
  6. Step 6: Final answer
    x = 1,122,047,168.40

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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.