Home / 431,569,203.30-646,609,787.55-201,065,526.90

Finding the Fourth Proportional to 431,569,203.30, 646,609,787.55 and 201,065,526.90

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Solution

The fourth proportional to 431,569,203.30, 646,609,787.55 and 201,065,526.90 is: 301,251,657.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,569,203.30 : 646,609,787.55 = 201,065,526.90 : x
  2. Step 2: Convert to fraction form
    431,569,203.30/646,609,787.55 = 201,065,526.90/x
  3. Step 3: Cross multiply
    431,569,203.30x = 646,609,787.55 × 201,065,526.90
  4. Step 4: Simplify right side
    431,569,203.30x = 130,010,937,632,437,808
  5. Step 5: Solve for x
    x = 130,010,937,632,437,808/431,569,203.30
  6. Step 6: Final answer
    x = 301,251,657.07

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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.