Home / 749,827,188.26-1,124,814,704.60-258,475,771.52

Finding the Fourth Proportional to 749,827,188.26, 1,124,814,704.60 and 258,475,771.52

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Solution

The fourth proportional to 749,827,188.26, 1,124,814,704.60 and 258,475,771.52 is: 387,739,139.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,827,188.26 : 1,124,814,704.60 = 258,475,771.52 : x
  2. Step 2: Convert to fraction form
    749,827,188.26/1,124,814,704.60 = 258,475,771.52/x
  3. Step 3: Cross multiply
    749,827,188.26x = 1,124,814,704.60 × 258,475,771.52
  4. Step 4: Simplify right side
    749,827,188.26x = 290,737,348,583,547,968
  5. Step 5: Solve for x
    x = 290,737,348,583,547,968/749,827,188.26
  6. Step 6: Final answer
    x = 387,739,139.28

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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.