Home / 12,588,913,088.04-17,380,540,368.78-8,013,758,976.18

Finding the Fourth Proportional to 12,588,913,088.04, 17,380,540,368.78 and 8,013,758,976.18

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Solution

The fourth proportional to 12,588,913,088.04, 17,380,540,368.78 and 8,013,758,976.18 is: 11,063,978,313.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588,913,088.04 : 17,380,540,368.78 = 8,013,758,976.18 : x
  2. Step 2: Convert to fraction form
    12,588,913,088.04/17,380,540,368.78 = 8,013,758,976.18/x
  3. Step 3: Cross multiply
    12,588,913,088.04x = 17,380,540,368.78 × 8,013,758,976.18
  4. Step 4: Simplify right side
    12,588,913,088.04x = 139,283,461,391,169,568,768
  5. Step 5: Solve for x
    x = 139,283,461,391,169,568,768/12,588,913,088.04
  6. Step 6: Final answer
    x = 11,063,978,313.07

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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.