Home / 1,025,105,416.80-1,537,825,672.08-334,812,271.20

Finding the Fourth Proportional to 1,025,105,416.80, 1,537,825,672.08 and 334,812,271.20

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Solution

The fourth proportional to 1,025,105,416.80, 1,537,825,672.08 and 334,812,271.20 is: 502,273,129.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,105,416.80 : 1,537,825,672.08 = 334,812,271.20 : x
  2. Step 2: Convert to fraction form
    1,025,105,416.80/1,537,825,672.08 = 334,812,271.20/x
  3. Step 3: Cross multiply
    1,025,105,416.80x = 1,537,825,672.08 × 334,812,271.20
  4. Step 4: Simplify right side
    1,025,105,416.80x = 514,882,905,978,771,200
  5. Step 5: Solve for x
    x = 514,882,905,978,771,200/1,025,105,416.80
  6. Step 6: Final answer
    x = 502,273,129.71

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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.