Home / 19,164,281,405.64-28,720,726,476.84-14,915,103,643.32

Finding the Fourth Proportional to 19,164,281,405.64, 28,720,726,476.84 and 14,915,103,643.32

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Solution

The fourth proportional to 19,164,281,405.64, 28,720,726,476.84 and 14,915,103,643.32 is: 22,352,657,167.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164,281,405.64 : 28,720,726,476.84 = 14,915,103,643.32 : x
  2. Step 2: Convert to fraction form
    19,164,281,405.64/28,720,726,476.84 = 14,915,103,643.32/x
  3. Step 3: Cross multiply
    19,164,281,405.64x = 28,720,726,476.84 × 14,915,103,643.32
  4. Step 4: Simplify right side
    19,164,281,405.64x = 428,372,612,113,513,447,424
  5. Step 5: Solve for x
    x = 428,372,612,113,513,447,424/19,164,281,405.64
  6. Step 6: Final answer
    x = 22,352,657,167.07

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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.