Home / 949,752,145.60-1,424,628,218.40-788,509,009.60

Finding the Fourth Proportional to 949,752,145.60, 1,424,628,218.40 and 788,509,009.60

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Solution

The fourth proportional to 949,752,145.60, 1,424,628,218.40 and 788,509,009.60 is: 1,182,763,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,752,145.60 : 1,424,628,218.40 = 788,509,009.60 : x
  2. Step 2: Convert to fraction form
    949,752,145.60/1,424,628,218.40 = 788,509,009.60/x
  3. Step 3: Cross multiply
    949,752,145.60x = 1,424,628,218.40 × 788,509,009.60
  4. Step 4: Simplify right side
    949,752,145.60x = 1,123,332,185,538,796,544
  5. Step 5: Solve for x
    x = 1,123,332,185,538,796,544/949,752,145.60
  6. Step 6: Final answer
    x = 1,182,763,514.40

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1.5x scale

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.