Home / 1,258,848,088.80-1,888,272,133.20-1,234,661,618.40

Finding the Fourth Proportional to 1,258,848,088.80, 1,888,272,133.20 and 1,234,661,618.40

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Solution

The fourth proportional to 1,258,848,088.80, 1,888,272,133.20 and 1,234,661,618.40 is: 1,851,992,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,848,088.80 : 1,888,272,133.20 = 1,234,661,618.40 : x
  2. Step 2: Convert to fraction form
    1,258,848,088.80/1,888,272,133.20 = 1,234,661,618.40/x
  3. Step 3: Cross multiply
    1,258,848,088.80x = 1,888,272,133.20 × 1,234,661,618.40
  4. Step 4: Simplify right side
    1,258,848,088.80x = 2,331,377,127,956,332,544
  5. Step 5: Solve for x
    x = 2,331,377,127,956,332,544/1,258,848,088.80
  6. Step 6: Final answer
    x = 1,851,992,427.60

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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.