Home / 839,845,393.60-1,259,768,090.40-788,827,057.60

Finding the Fourth Proportional to 839,845,393.60, 1,259,768,090.40 and 788,827,057.60

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Solution

The fourth proportional to 839,845,393.60, 1,259,768,090.40 and 788,827,057.60 is: 1,183,240,586.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,845,393.60 : 1,259,768,090.40 = 788,827,057.60 : x
  2. Step 2: Convert to fraction form
    839,845,393.60/1,259,768,090.40 = 788,827,057.60/x
  3. Step 3: Cross multiply
    839,845,393.60x = 1,259,768,090.40 × 788,827,057.60
  4. Step 4: Simplify right side
    839,845,393.60x = 993,739,156,008,602,880
  5. Step 5: Solve for x
    x = 993,739,156,008,602,880/839,845,393.60
  6. Step 6: Final answer
    x = 1,183,240,586.40

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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.