Home / 880,582,521.60-1,320,537,859.20-266,962,809.60

Finding the Fourth Proportional to 880,582,521.60, 1,320,537,859.20 and 266,962,809.60

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Solution

The fourth proportional to 880,582,521.60, 1,320,537,859.20 and 266,962,809.60 is: 400,342,373.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,582,521.60 : 1,320,537,859.20 = 266,962,809.60 : x
  2. Step 2: Convert to fraction form
    880,582,521.60/1,320,537,859.20 = 266,962,809.60/x
  3. Step 3: Cross multiply
    880,582,521.60x = 1,320,537,859.20 × 266,962,809.60
  4. Step 4: Simplify right side
    880,582,521.60x = 352,534,497,075,201,216
  5. Step 5: Solve for x
    x = 352,534,497,075,201,216/880,582,521.60
  6. Step 6: Final answer
    x = 400,342,373.86

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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.