Home / 1,980,223,557-2,732,730,258.78-1,088,150,514.36

Finding the Fourth Proportional to 1,980,223,557, 2,732,730,258.78 and 1,088,150,514.36

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Solution

The fourth proportional to 1,980,223,557, 2,732,730,258.78 and 1,088,150,514.36 is: 1,501,659,661.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,223,557 : 2,732,730,258.78 = 1,088,150,514.36 : x
  2. Step 2: Convert to fraction form
    1,980,223,557/2,732,730,258.78 = 1,088,150,514.36/x
  3. Step 3: Cross multiply
    1,980,223,557x = 2,732,730,258.78 × 1,088,150,514.36
  4. Step 4: Simplify right side
    1,980,223,557x = 2,973,621,836,698,592,768
  5. Step 5: Solve for x
    x = 2,973,621,836,698,592,768/1,980,223,557
  6. Step 6: Final answer
    x = 1,501,659,661.70

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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.