Home / 698,482,636.20-1,047,723,954.30-238,435,813.80

Finding the Fourth Proportional to 698,482,636.20, 1,047,723,954.30 and 238,435,813.80

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Solution

The fourth proportional to 698,482,636.20, 1,047,723,954.30 and 238,435,813.80 is: 357,653,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,482,636.20 : 1,047,723,954.30 = 238,435,813.80 : x
  2. Step 2: Convert to fraction form
    698,482,636.20/1,047,723,954.30 = 238,435,813.80/x
  3. Step 3: Cross multiply
    698,482,636.20x = 1,047,723,954.30 × 238,435,813.80
  4. Step 4: Simplify right side
    698,482,636.20x = 249,814,913,681,274,496
  5. Step 5: Solve for x
    x = 249,814,913,681,274,496/698,482,636.20
  6. Step 6: Final answer
    x = 357,653,720.70

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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.