Home / 612,119,711.20-918,179,566.80-612,119,711.20

Finding the Fourth Proportional to 612,119,711.20, 918,179,566.80 and 612,119,711.20

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Solution

The fourth proportional to 612,119,711.20, 918,179,566.80 and 612,119,711.20 is: 918,179,566.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,119,711.20 : 918,179,566.80 = 612,119,711.20 : x
  2. Step 2: Convert to fraction form
    612,119,711.20/918,179,566.80 = 612,119,711.20/x
  3. Step 3: Cross multiply
    612,119,711.20x = 918,179,566.80 × 612,119,711.20
  4. Step 4: Simplify right side
    612,119,711.20x = 562,035,811,259,357,120
  5. Step 5: Solve for x
    x = 562,035,811,259,357,120/612,119,711.20
  6. Step 6: Final answer
    x = 918,179,566.80

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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.