Home / 2,118,889,141.95-3,178,333,712.93-1,659,220,233.15

Finding the Fourth Proportional to 2,118,889,141.95, 3,178,333,712.93 and 1,659,220,233.15

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Solution

The fourth proportional to 2,118,889,141.95, 3,178,333,712.93 and 1,659,220,233.15 is: 2,488,830,349.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,889,141.95 : 3,178,333,712.93 = 1,659,220,233.15 : x
  2. Step 2: Convert to fraction form
    2,118,889,141.95/3,178,333,712.93 = 1,659,220,233.15/x
  3. Step 3: Cross multiply
    2,118,889,141.95x = 3,178,333,712.93 × 1,659,220,233.15
  4. Step 4: Simplify right side
    2,118,889,141.95x = 5,273,555,604,187,924,480
  5. Step 5: Solve for x
    x = 5,273,555,604,187,924,480/2,118,889,141.95
  6. Step 6: Final answer
    x = 2,488,830,349.73

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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.