Home / 647,282,488.08-970,621,869.78-336,306,501.84

Finding the Fourth Proportional to 647,282,488.08, 970,621,869.78 and 336,306,501.84

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Solution

The fourth proportional to 647,282,488.08, 970,621,869.78 and 336,306,501.84 is: 504,302,915.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,282,488.08 : 970,621,869.78 = 336,306,501.84 : x
  2. Step 2: Convert to fraction form
    647,282,488.08/970,621,869.78 = 336,306,501.84/x
  3. Step 3: Cross multiply
    647,282,488.08x = 970,621,869.78 × 336,306,501.84
  4. Step 4: Simplify right side
    647,282,488.08x = 326,426,445,635,111,744
  5. Step 5: Solve for x
    x = 326,426,445,635,111,744/647,282,488.08
  6. Step 6: Final answer
    x = 504,302,915.10

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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.