Home / 384,912,191.80-577,368,287.70-371,307,302.20

Finding the Fourth Proportional to 384,912,191.80, 577,368,287.70 and 371,307,302.20

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Solution

The fourth proportional to 384,912,191.80, 577,368,287.70 and 371,307,302.20 is: 556,960,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,912,191.80 : 577,368,287.70 = 371,307,302.20 : x
  2. Step 2: Convert to fraction form
    384,912,191.80/577,368,287.70 = 371,307,302.20/x
  3. Step 3: Cross multiply
    384,912,191.80x = 577,368,287.70 × 371,307,302.20
  4. Step 4: Simplify right side
    384,912,191.80x = 214,381,061,281,720,448
  5. Step 5: Solve for x
    x = 214,381,061,281,720,448/384,912,191.80
  6. Step 6: Final answer
    x = 556,960,953.30

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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.