Home / 448,231,019.23-618,559,631.93-250,005,290.81

Finding the Fourth Proportional to 448,231,019.23, 618,559,631.93 and 250,005,290.81

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Solution

The fourth proportional to 448,231,019.23, 618,559,631.93 and 250,005,290.81 is: 345,007,761.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,231,019.23 : 618,559,631.93 = 250,005,290.81 : x
  2. Step 2: Convert to fraction form
    448,231,019.23/618,559,631.93 = 250,005,290.81/x
  3. Step 3: Cross multiply
    448,231,019.23x = 618,559,631.93 × 250,005,290.81
  4. Step 4: Simplify right side
    448,231,019.23x = 154,643,180,662,736,160
  5. Step 5: Solve for x
    x = 154,643,180,662,736,160/448,231,019.23
  6. Step 6: Final answer
    x = 345,007,761.69

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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.