Home / 534,362,428.80-801,543,643.20-319,371,580.80

Finding the Fourth Proportional to 534,362,428.80, 801,543,643.20 and 319,371,580.80

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Solution

The fourth proportional to 534,362,428.80, 801,543,643.20 and 319,371,580.80 is: 479,057,371.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,362,428.80 : 801,543,643.20 = 319,371,580.80 : x
  2. Step 2: Convert to fraction form
    534,362,428.80/801,543,643.20 = 319,371,580.80/x
  3. Step 3: Cross multiply
    534,362,428.80x = 801,543,643.20 × 319,371,580.80
  4. Step 4: Simplify right side
    534,362,428.80x = 255,990,260,408,975,200
  5. Step 5: Solve for x
    x = 255,990,260,408,975,200/534,362,428.80
  6. Step 6: Final answer
    x = 479,057,371.20

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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.