Home / 431,821,041.84-646,701,886.08-275,884,296.72

Finding the Fourth Proportional to 431,821,041.84, 646,701,886.08 and 275,884,296.72

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Solution

The fourth proportional to 431,821,041.84, 646,701,886.08 and 275,884,296.72 is: 413,168,599.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,821,041.84 : 646,701,886.08 = 275,884,296.72 : x
  2. Step 2: Convert to fraction form
    431,821,041.84/646,701,886.08 = 275,884,296.72/x
  3. Step 3: Cross multiply
    431,821,041.84x = 646,701,886.08 × 275,884,296.72
  4. Step 4: Simplify right side
    431,821,041.84x = 178,414,895,028,678,400
  5. Step 5: Solve for x
    x = 178,414,895,028,678,400/431,821,041.84
  6. Step 6: Final answer
    x = 413,168,599.35

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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.