Home / 1,369,031,565.57-1,888,663,512.58-804,261,578.59

Finding the Fourth Proportional to 1,369,031,565.57, 1,888,663,512.58 and 804,261,578.59

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Solution

The fourth proportional to 1,369,031,565.57, 1,888,663,512.58 and 804,261,578.59 is: 1,109,528,469.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,031,565.57 : 1,888,663,512.58 = 804,261,578.59 : x
  2. Step 2: Convert to fraction form
    1,369,031,565.57/1,888,663,512.58 = 804,261,578.59/x
  3. Step 3: Cross multiply
    1,369,031,565.57x = 1,888,663,512.58 × 804,261,578.59
  4. Step 4: Simplify right side
    1,369,031,565.57x = 1,518,979,498,052,925,184
  5. Step 5: Solve for x
    x = 1,518,979,498,052,925,184/1,369,031,565.57
  6. Step 6: Final answer
    x = 1,109,528,469.80

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1.5x scale

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.