Home / 12,124,728,280.80-18,187,092,421.20-6,900,450,674.40

Finding the Fourth Proportional to 12,124,728,280.80, 18,187,092,421.20 and 6,900,450,674.40

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Solution

The fourth proportional to 12,124,728,280.80, 18,187,092,421.20 and 6,900,450,674.40 is: 10,350,676,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124,728,280.80 : 18,187,092,421.20 = 6,900,450,674.40 : x
  2. Step 2: Convert to fraction form
    12,124,728,280.80/18,187,092,421.20 = 6,900,450,674.40/x
  3. Step 3: Cross multiply
    12,124,728,280.80x = 18,187,092,421.20 × 6,900,450,674.40
  4. Step 4: Simplify right side
    12,124,728,280.80x = 125,499,134,163,244,662,784
  5. Step 5: Solve for x
    x = 125,499,134,163,244,662,784/12,124,728,280.80
  6. Step 6: Final answer
    x = 10,350,676,011.60

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Double scale
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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.