Home / 886,464,936.60-1,329,697,404.90-402,735,528.60

Finding the Fourth Proportional to 886,464,936.60, 1,329,697,404.90 and 402,735,528.60

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Solution

The fourth proportional to 886,464,936.60, 1,329,697,404.90 and 402,735,528.60 is: 604,103,292.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,464,936.60 : 1,329,697,404.90 = 402,735,528.60 : x
  2. Step 2: Convert to fraction form
    886,464,936.60/1,329,697,404.90 = 402,735,528.60/x
  3. Step 3: Cross multiply
    886,464,936.60x = 1,329,697,404.90 × 402,735,528.60
  4. Step 4: Simplify right side
    886,464,936.60x = 535,516,387,240,449,792
  5. Step 5: Solve for x
    x = 535,516,387,240,449,792/886,464,936.60
  6. Step 6: Final answer
    x = 604,103,292.90

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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.