Home / 727,483,417.20-1,091,225,125.80-437,245,772.40

Finding the Fourth Proportional to 727,483,417.20, 1,091,225,125.80 and 437,245,772.40

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Solution

The fourth proportional to 727,483,417.20, 1,091,225,125.80 and 437,245,772.40 is: 655,868,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,483,417.20 : 1,091,225,125.80 = 437,245,772.40 : x
  2. Step 2: Convert to fraction form
    727,483,417.20/1,091,225,125.80 = 437,245,772.40/x
  3. Step 3: Cross multiply
    727,483,417.20x = 1,091,225,125.80 × 437,245,772.40
  4. Step 4: Simplify right side
    727,483,417.20x = 477,133,572,992,708,096
  5. Step 5: Solve for x
    x = 477,133,572,992,708,096/727,483,417.20
  6. Step 6: Final answer
    x = 655,868,658.60

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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.