Home / 839,291,166.20-1,258,936,749.30-788,230,839.80

Finding the Fourth Proportional to 839,291,166.20, 1,258,936,749.30 and 788,230,839.80

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Solution

The fourth proportional to 839,291,166.20, 1,258,936,749.30 and 788,230,839.80 is: 1,182,346,259.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,291,166.20 : 1,258,936,749.30 = 788,230,839.80 : x
  2. Step 2: Convert to fraction form
    839,291,166.20/1,258,936,749.30 = 788,230,839.80/x
  3. Step 3: Cross multiply
    839,291,166.20x = 1,258,936,749.30 × 788,230,839.80
  4. Step 4: Simplify right side
    839,291,166.20x = 992,332,771,155,820,928
  5. Step 5: Solve for x
    x = 992,332,771,155,820,928/839,291,166.20
  6. Step 6: Final answer
    x = 1,182,346,259.70

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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.