Home / 351,233,312.80-526,849,969.20-331,525,818.40

Finding the Fourth Proportional to 351,233,312.80, 526,849,969.20 and 331,525,818.40

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Solution

The fourth proportional to 351,233,312.80, 526,849,969.20 and 331,525,818.40 is: 497,288,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,233,312.80 : 526,849,969.20 = 331,525,818.40 : x
  2. Step 2: Convert to fraction form
    351,233,312.80/526,849,969.20 = 331,525,818.40/x
  3. Step 3: Cross multiply
    351,233,312.80x = 526,849,969.20 × 331,525,818.40
  4. Step 4: Simplify right side
    351,233,312.80x = 174,664,367,213,044,768
  5. Step 5: Solve for x
    x = 174,664,367,213,044,768/351,233,312.80
  6. Step 6: Final answer
    x = 497,288,727.60

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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.