Home / 20,485,675,593.09-28,254,579,706.98-17,632,596,055.12

Finding the Fourth Proportional to 20,485,675,593.09, 28,254,579,706.98 and 17,632,596,055.12

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Solution

The fourth proportional to 20,485,675,593.09, 28,254,579,706.98 and 17,632,596,055.12 is: 24,319,509,913.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,485,675,593.09 : 28,254,579,706.98 = 17,632,596,055.12 : x
  2. Step 2: Convert to fraction form
    20,485,675,593.09/28,254,579,706.98 = 17,632,596,055.12/x
  3. Step 3: Cross multiply
    20,485,675,593.09x = 28,254,579,706.98 × 17,632,596,055.12
  4. Step 4: Simplify right side
    20,485,675,593.09x = 498,201,590,680,312,610,816
  5. Step 5: Solve for x
    x = 498,201,590,680,312,610,816/20,485,675,593.09
  6. Step 6: Final answer
    x = 24,319,509,913.96

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Double scale
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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.