Home / 839,845,389.60-1,259,768,084.40-788,827,053.60

Finding the Fourth Proportional to 839,845,389.60, 1,259,768,084.40 and 788,827,053.60

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Solution

The fourth proportional to 839,845,389.60, 1,259,768,084.40 and 788,827,053.60 is: 1,183,240,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,845,389.60 : 1,259,768,084.40 = 788,827,053.60 : x
  2. Step 2: Convert to fraction form
    839,845,389.60/1,259,768,084.40 = 788,827,053.60/x
  3. Step 3: Cross multiply
    839,845,389.60x = 1,259,768,084.40 × 788,827,053.60
  4. Step 4: Simplify right side
    839,845,389.60x = 993,739,146,236,568,192
  5. Step 5: Solve for x
    x = 993,739,146,236,568,192/839,845,389.60
  6. Step 6: Final answer
    x = 1,183,240,580.40

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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.