Home / 357,359,834.40-536,039,751.60-285,696,218.40

Finding the Fourth Proportional to 357,359,834.40, 536,039,751.60 and 285,696,218.40

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Solution

The fourth proportional to 357,359,834.40, 536,039,751.60 and 285,696,218.40 is: 428,544,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,359,834.40 : 536,039,751.60 = 285,696,218.40 : x
  2. Step 2: Convert to fraction form
    357,359,834.40/536,039,751.60 = 285,696,218.40/x
  3. Step 3: Cross multiply
    357,359,834.40x = 536,039,751.60 × 285,696,218.40
  4. Step 4: Simplify right side
    357,359,834.40x = 153,144,529,944,195,328
  5. Step 5: Solve for x
    x = 153,144,529,944,195,328/357,359,834.40
  6. Step 6: Final answer
    x = 428,544,327.60

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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.