Home / 768,730,216.77-1,153,291,958.33-223,471,750.77

Finding the Fourth Proportional to 768,730,216.77, 1,153,291,958.33 and 223,471,750.77

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Solution

The fourth proportional to 768,730,216.77, 1,153,291,958.33 and 223,471,750.77 is: 335,264,787.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,730,216.77 : 1,153,291,958.33 = 223,471,750.77 : x
  2. Step 2: Convert to fraction form
    768,730,216.77/1,153,291,958.33 = 223,471,750.77/x
  3. Step 3: Cross multiply
    768,730,216.77x = 1,153,291,958.33 × 223,471,750.77
  4. Step 4: Simplify right side
    768,730,216.77x = 257,728,173,075,849,664
  5. Step 5: Solve for x
    x = 257,728,173,075,849,664/768,730,216.77
  6. Step 6: Final answer
    x = 335,264,787.90

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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.