Home / 755,776,435.20-1,133,664,652.80-319,569,662.40

Finding the Fourth Proportional to 755,776,435.20, 1,133,664,652.80 and 319,569,662.40

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Solution

The fourth proportional to 755,776,435.20, 1,133,664,652.80 and 319,569,662.40 is: 479,354,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,776,435.20 : 1,133,664,652.80 = 319,569,662.40 : x
  2. Step 2: Convert to fraction form
    755,776,435.20/1,133,664,652.80 = 319,569,662.40/x
  3. Step 3: Cross multiply
    755,776,435.20x = 1,133,664,652.80 × 319,569,662.40
  4. Step 4: Simplify right side
    755,776,435.20x = 362,284,830,370,109,184
  5. Step 5: Solve for x
    x = 362,284,830,370,109,184/755,776,435.20
  6. Step 6: Final answer
    x = 479,354,493.60

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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.