Home / 2,385,643,178.39-3,577,267,530.65-1,389,985,973.76

Finding the Fourth Proportional to 2,385,643,178.39, 3,577,267,530.65 and 1,389,985,973.76

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Solution

The fourth proportional to 2,385,643,178.39, 3,577,267,530.65 and 1,389,985,973.76 is: 2,084,281,395.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385,643,178.39 : 3,577,267,530.65 = 1,389,985,973.76 : x
  2. Step 2: Convert to fraction form
    2,385,643,178.39/3,577,267,530.65 = 1,389,985,973.76/x
  3. Step 3: Cross multiply
    2,385,643,178.39x = 3,577,267,530.65 × 1,389,985,973.76
  4. Step 4: Simplify right side
    2,385,643,178.39x = 4,972,351,691,973,341,184
  5. Step 5: Solve for x
    x = 4,972,351,691,973,341,184/2,385,643,178.39
  6. Step 6: Final answer
    x = 2,084,281,395.07

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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.