Home / 665,358,398.08-918,228,986.46-383,142,727.60

Finding the Fourth Proportional to 665,358,398.08, 918,228,986.46 and 383,142,727.60

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Solution

The fourth proportional to 665,358,398.08, 918,228,986.46 and 383,142,727.60 is: 528,756,771.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,358,398.08 : 918,228,986.46 = 383,142,727.60 : x
  2. Step 2: Convert to fraction form
    665,358,398.08/918,228,986.46 = 383,142,727.60/x
  3. Step 3: Cross multiply
    665,358,398.08x = 918,228,986.46 × 383,142,727.60
  4. Step 4: Simplify right side
    665,358,398.08x = 351,812,758,433,667,904
  5. Step 5: Solve for x
    x = 351,812,758,433,667,904/665,358,398.08
  6. Step 6: Final answer
    x = 528,756,771.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.