Home / 769,878,000.40-1,154,817,000.60-252,183,607.60

Finding the Fourth Proportional to 769,878,000.40, 1,154,817,000.60 and 252,183,607.60

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Solution

The fourth proportional to 769,878,000.40, 1,154,817,000.60 and 252,183,607.60 is: 378,275,411.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,878,000.40 : 1,154,817,000.60 = 252,183,607.60 : x
  2. Step 2: Convert to fraction form
    769,878,000.40/1,154,817,000.60 = 252,183,607.60/x
  3. Step 3: Cross multiply
    769,878,000.40x = 1,154,817,000.60 × 252,183,607.60
  4. Step 4: Simplify right side
    769,878,000.40x = 291,225,917,329,119,360
  5. Step 5: Solve for x
    x = 291,225,917,329,119,360/769,878,000.40
  6. Step 6: Final answer
    x = 378,275,411.40

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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.