Home / 817,101,117,492.65-1,225,656,257,810.90-272,548,120,822.30

Finding the Fourth Proportional to 817,101,117,492.65, 1,225,656,257,810.90 and 272,548,120,822.30

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Solution

The fourth proportional to 817,101,117,492.65, 1,225,656,257,810.90 and 272,548,120,822.30 is: 408,823,709,439.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,101,117,492.65 : 1,225,656,257,810.90 = 272,548,120,822.30 : x
  2. Step 2: Convert to fraction form
    817,101,117,492.65/1,225,656,257,810.90 = 272,548,120,822.30/x
  3. Step 3: Cross multiply
    817,101,117,492.65x = 1,225,656,257,810.90 × 272,548,120,822.30
  4. Step 4: Simplify right side
    817,101,117,492.65x = 334,050,309,840,453,194,743,808
  5. Step 5: Solve for x
    x = 334,050,309,840,453,194,743,808/817,101,117,492.65
  6. Step 6: Final answer
    x = 408,823,709,439.44

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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.