Home / 746,749,978.40-1,120,124,967.60-201,490,637.60

Finding the Fourth Proportional to 746,749,978.40, 1,120,124,967.60 and 201,490,637.60

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Solution

The fourth proportional to 746,749,978.40, 1,120,124,967.60 and 201,490,637.60 is: 302,235,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,749,978.40 : 1,120,124,967.60 = 201,490,637.60 : x
  2. Step 2: Convert to fraction form
    746,749,978.40/1,120,124,967.60 = 201,490,637.60/x
  3. Step 3: Cross multiply
    746,749,978.40x = 1,120,124,967.60 × 201,490,637.60
  4. Step 4: Simplify right side
    746,749,978.40x = 225,694,693,913,403,328
  5. Step 5: Solve for x
    x = 225,694,693,913,403,328/746,749,978.40
  6. Step 6: Final answer
    x = 302,235,956.40

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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.