Home / 1,158,827,787.20-1,738,549,610.40-503,497,611.20

Finding the Fourth Proportional to 1,158,827,787.20, 1,738,549,610.40 and 503,497,611.20

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Solution

The fourth proportional to 1,158,827,787.20, 1,738,549,610.40 and 503,497,611.20 is: 755,380,208.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,827,787.20 : 1,738,549,610.40 = 503,497,611.20 : x
  2. Step 2: Convert to fraction form
    1,158,827,787.20/1,738,549,610.40 = 503,497,611.20/x
  3. Step 3: Cross multiply
    1,158,827,787.20x = 1,738,549,610.40 × 503,497,611.20
  4. Step 4: Simplify right side
    1,158,827,787.20x = 875,355,575,789,090,688
  5. Step 5: Solve for x
    x = 875,355,575,789,090,688/1,158,827,787.20
  6. Step 6: Final answer
    x = 755,380,208.74

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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.