Home / 18,625,896,643.60-27,938,844,965.40-12,748,584,336.40

Finding the Fourth Proportional to 18,625,896,643.60, 27,938,844,965.40 and 12,748,584,336.40

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Solution

The fourth proportional to 18,625,896,643.60, 27,938,844,965.40 and 12,748,584,336.40 is: 19,122,876,504.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,625,896,643.60 : 27,938,844,965.40 = 12,748,584,336.40 : x
  2. Step 2: Convert to fraction form
    18,625,896,643.60/27,938,844,965.40 = 12,748,584,336.40/x
  3. Step 3: Cross multiply
    18,625,896,643.60x = 27,938,844,965.40 × 12,748,584,336.40
  4. Step 4: Simplify right side
    18,625,896,643.60x = 356,180,721,303,006,478,336
  5. Step 5: Solve for x
    x = 356,180,721,303,006,478,336/18,625,896,643.60
  6. Step 6: Final answer
    x = 19,122,876,504.60

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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.