Home / 944,784,666.20-1,417,176,999.30-289,730,489.60

Finding the Fourth Proportional to 944,784,666.20, 1,417,176,999.30 and 289,730,489.60

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Solution

The fourth proportional to 944,784,666.20, 1,417,176,999.30 and 289,730,489.60 is: 434,595,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,784,666.20 : 1,417,176,999.30 = 289,730,489.60 : x
  2. Step 2: Convert to fraction form
    944,784,666.20/1,417,176,999.30 = 289,730,489.60/x
  3. Step 3: Cross multiply
    944,784,666.20x = 1,417,176,999.30 × 289,730,489.60
  4. Step 4: Simplify right side
    944,784,666.20x = 410,599,385,857,047,872
  5. Step 5: Solve for x
    x = 410,599,385,857,047,872/944,784,666.20
  6. Step 6: Final answer
    x = 434,595,734.40

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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.