Home / 1,130,947,708.80-1,696,232,606.40-313,142,678.40

Finding the Fourth Proportional to 1,130,947,708.80, 1,696,232,606.40 and 313,142,678.40

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Solution

The fourth proportional to 1,130,947,708.80, 1,696,232,606.40 and 313,142,678.40 is: 469,661,698.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,947,708.80 : 1,696,232,606.40 = 313,142,678.40 : x
  2. Step 2: Convert to fraction form
    1,130,947,708.80/1,696,232,606.40 = 313,142,678.40/x
  3. Step 3: Cross multiply
    1,130,947,708.80x = 1,696,232,606.40 × 313,142,678.40
  4. Step 4: Simplify right side
    1,130,947,708.80x = 531,162,821,557,508,992
  5. Step 5: Solve for x
    x = 531,162,821,557,508,992/1,130,947,708.80
  6. Step 6: Final answer
    x = 469,661,698.26

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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.