Home / 1,678,650,085.60-2,518,164,085.20-514,109,327.20

Finding the Fourth Proportional to 1,678,650,085.60, 2,518,164,085.20 and 514,109,327.20

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Solution

The fourth proportional to 1,678,650,085.60, 2,518,164,085.20 and 514,109,327.20 is: 771,221,861.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,650,085.60 : 2,518,164,085.20 = 514,109,327.20 : x
  2. Step 2: Convert to fraction form
    1,678,650,085.60/2,518,164,085.20 = 514,109,327.20/x
  3. Step 3: Cross multiply
    1,678,650,085.60x = 2,518,164,085.20 × 514,109,327.20
  4. Step 4: Simplify right side
    1,678,650,085.60x = 1,294,611,643,621,375,232
  5. Step 5: Solve for x
    x = 1,294,611,643,621,375,232/1,678,650,085.60
  6. Step 6: Final answer
    x = 771,221,861.38

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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.