Home / 921,456,052.60-1,382,184,078.90-577,082,284.60

Finding the Fourth Proportional to 921,456,052.60, 1,382,184,078.90 and 577,082,284.60

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Solution

The fourth proportional to 921,456,052.60, 1,382,184,078.90 and 577,082,284.60 is: 865,623,426.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,456,052.60 : 1,382,184,078.90 = 577,082,284.60 : x
  2. Step 2: Convert to fraction form
    921,456,052.60/1,382,184,078.90 = 577,082,284.60/x
  3. Step 3: Cross multiply
    921,456,052.60x = 1,382,184,078.90 × 577,082,284.60
  4. Step 4: Simplify right side
    921,456,052.60x = 797,633,945,989,358,720
  5. Step 5: Solve for x
    x = 797,633,945,989,358,720/921,456,052.60
  6. Step 6: Final answer
    x = 865,623,426.90

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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.