Home / 2,563,643,918.60-3,845,423,855.10-816,822,925.64

Finding the Fourth Proportional to 2,563,643,918.60, 3,845,423,855.10 and 816,822,925.64

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Solution

The fourth proportional to 2,563,643,918.60, 3,845,423,855.10 and 816,822,925.64 is: 1,225,220,999.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,563,643,918.60 : 3,845,423,855.10 = 816,822,925.64 : x
  2. Step 2: Convert to fraction form
    2,563,643,918.60/3,845,423,855.10 = 816,822,925.64/x
  3. Step 3: Cross multiply
    2,563,643,918.60x = 3,845,423,855.10 × 816,822,925.64
  4. Step 4: Simplify right side
    2,563,643,918.60x = 3,141,030,363,648,629,248
  5. Step 5: Solve for x
    x = 3,141,030,363,648,629,248/2,563,643,918.60
  6. Step 6: Final answer
    x = 1,225,220,999.24

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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.