Home / 839,809,648.20-1,259,714,472.30-788,791,312.20

Finding the Fourth Proportional to 839,809,648.20, 1,259,714,472.30 and 788,791,312.20

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Solution

The fourth proportional to 839,809,648.20, 1,259,714,472.30 and 788,791,312.20 is: 1,183,186,968.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,809,648.20 : 1,259,714,472.30 = 788,791,312.20 : x
  2. Step 2: Convert to fraction form
    839,809,648.20/1,259,714,472.30 = 788,791,312.20/x
  3. Step 3: Cross multiply
    839,809,648.20x = 1,259,714,472.30 × 788,791,312.20
  4. Step 4: Simplify right side
    839,809,648.20x = 993,651,831,602,847,616
  5. Step 5: Solve for x
    x = 993,651,831,602,847,616/839,809,648.20
  6. Step 6: Final answer
    x = 1,183,186,968.30

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Double scale
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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.