Home / 12,265,655,332.70-18,398,482,999.05-5,281,812,004.70

Finding the Fourth Proportional to 12,265,655,332.70, 18,398,482,999.05 and 5,281,812,004.70

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Solution

The fourth proportional to 12,265,655,332.70, 18,398,482,999.05 and 5,281,812,004.70 is: 7,922,718,007.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265,655,332.70 : 18,398,482,999.05 = 5,281,812,004.70 : x
  2. Step 2: Convert to fraction form
    12,265,655,332.70/18,398,482,999.05 = 5,281,812,004.70/x
  3. Step 3: Cross multiply
    12,265,655,332.70x = 18,398,482,999.05 × 5,281,812,004.70
  4. Step 4: Simplify right side
    12,265,655,332.70x = 97,177,328,372,651,147,264
  5. Step 5: Solve for x
    x = 97,177,328,372,651,147,264/12,265,655,332.70
  6. Step 6: Final answer
    x = 7,922,718,007.05

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1.5x scale

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.