Home / 28,323,034,111.16-42,463,606,742.40-17,128,419,532.10

Finding the Fourth Proportional to 28,323,034,111.16, 42,463,606,742.40 and 17,128,419,532.10

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Solution

The fourth proportional to 28,323,034,111.16, 42,463,606,742.40 and 17,128,419,532.10 is: 25,679,963,109.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,323,034,111.16 : 42,463,606,742.40 = 17,128,419,532.10 : x
  2. Step 2: Convert to fraction form
    28,323,034,111.16/42,463,606,742.40 = 17,128,419,532.10/x
  3. Step 3: Cross multiply
    28,323,034,111.16x = 42,463,606,742.40 × 17,128,419,532.10
  4. Step 4: Simplify right side
    28,323,034,111.16x = 727,334,471,129,937,477,632
  5. Step 5: Solve for x
    x = 727,334,471,129,937,477,632/28,323,034,111.16
  6. Step 6: Final answer
    x = 25,679,963,109.72

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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.