Home / 453,784,630.80-680,676,946.20-438,000,833.10

Finding the Fourth Proportional to 453,784,630.80, 680,676,946.20 and 438,000,833.10

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Solution

The fourth proportional to 453,784,630.80, 680,676,946.20 and 438,000,833.10 is: 657,001,249.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,784,630.80 : 680,676,946.20 = 438,000,833.10 : x
  2. Step 2: Convert to fraction form
    453,784,630.80/680,676,946.20 = 438,000,833.10/x
  3. Step 3: Cross multiply
    453,784,630.80x = 680,676,946.20 × 438,000,833.10
  4. Step 4: Simplify right side
    453,784,630.80x = 298,137,069,507,563,904
  5. Step 5: Solve for x
    x = 298,137,069,507,563,904/453,784,630.80
  6. Step 6: Final answer
    x = 657,001,249.65

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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.