Home / 770,311,515.59-1,156,214,455.64-371,750,567.57

Finding the Fourth Proportional to 770,311,515.59, 1,156,214,455.64 and 371,750,567.57

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Solution

The fourth proportional to 770,311,515.59, 1,156,214,455.64 and 371,750,567.57 is: 557,986,439.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,311,515.59 : 1,156,214,455.64 = 371,750,567.57 : x
  2. Step 2: Convert to fraction form
    770,311,515.59/1,156,214,455.64 = 371,750,567.57/x
  3. Step 3: Cross multiply
    770,311,515.59x = 1,156,214,455.64 × 371,750,567.57
  4. Step 4: Simplify right side
    770,311,515.59x = 429,823,380,109,168,768
  5. Step 5: Solve for x
    x = 429,823,380,109,168,768/770,311,515.59
  6. Step 6: Final answer
    x = 557,986,439.79

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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.