Home / 698,482,637.70-1,047,723,956.55-238,435,815.30

Finding the Fourth Proportional to 698,482,637.70, 1,047,723,956.55 and 238,435,815.30

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Solution

The fourth proportional to 698,482,637.70, 1,047,723,956.55 and 238,435,815.30 is: 357,653,722.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,482,637.70 : 1,047,723,956.55 = 238,435,815.30 : x
  2. Step 2: Convert to fraction form
    698,482,637.70/1,047,723,956.55 = 238,435,815.30/x
  3. Step 3: Cross multiply
    698,482,637.70x = 1,047,723,956.55 × 238,435,815.30
  4. Step 4: Simplify right side
    698,482,637.70x = 249,814,915,789,341,024
  5. Step 5: Solve for x
    x = 249,814,915,789,341,024/698,482,637.70
  6. Step 6: Final answer
    x = 357,653,722.95

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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.