Home / 10,278,449,360.78-14,188,907,798.66-6,473,564,140.15

Finding the Fourth Proportional to 10,278,449,360.78, 14,188,907,798.66 and 6,473,564,140.15

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Solution

The fourth proportional to 10,278,449,360.78, 14,188,907,798.66 and 6,473,564,140.15 is: 8,936,445,711.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278,449,360.78 : 14,188,907,798.66 = 6,473,564,140.15 : x
  2. Step 2: Convert to fraction form
    10,278,449,360.78/14,188,907,798.66 = 6,473,564,140.15/x
  3. Step 3: Cross multiply
    10,278,449,360.78x = 14,188,907,798.66 × 6,473,564,140.15
  4. Step 4: Simplify right side
    10,278,449,360.78x = 91,852,804,713,196,748,800
  5. Step 5: Solve for x
    x = 91,852,804,713,196,748,800/10,278,449,360.78
  6. Step 6: Final answer
    x = 8,936,445,711.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.