Home / 2,563,643,917.60-3,845,423,853.60-816,822,924.64

Finding the Fourth Proportional to 2,563,643,917.60, 3,845,423,853.60 and 816,822,924.64

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Solution

The fourth proportional to 2,563,643,917.60, 3,845,423,853.60 and 816,822,924.64 is: 1,225,220,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,563,643,917.60 : 3,845,423,853.60 = 816,822,924.64 : x
  2. Step 2: Convert to fraction form
    2,563,643,917.60/3,845,423,853.60 = 816,822,924.64/x
  3. Step 3: Cross multiply
    2,563,643,917.60x = 3,845,423,853.60 × 816,822,924.64
  4. Step 4: Simplify right side
    2,563,643,917.60x = 3,141,030,358,577,971,200
  5. Step 5: Solve for x
    x = 3,141,030,358,577,971,200/2,563,643,917.60
  6. Step 6: Final answer
    x = 1,225,220,997.74

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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.