Home / 637,610,250.28-879,866,568.32-351,492,545.34

Finding the Fourth Proportional to 637,610,250.28, 879,866,568.32 and 351,492,545.34

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Solution

The fourth proportional to 637,610,250.28, 879,866,568.32 and 351,492,545.34 is: 485,040,100.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,610,250.28 : 879,866,568.32 = 351,492,545.34 : x
  2. Step 2: Convert to fraction form
    637,610,250.28/879,866,568.32 = 351,492,545.34/x
  3. Step 3: Cross multiply
    637,610,250.28x = 879,866,568.32 × 351,492,545.34
  4. Step 4: Simplify right side
    637,610,250.28x = 309,266,539,658,367,808
  5. Step 5: Solve for x
    x = 309,266,539,658,367,808/637,610,250.28
  6. Step 6: Final answer
    x = 485,040,100.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.