Home / 507,145,415.20-760,718,122.80-472,881,248.80

Finding the Fourth Proportional to 507,145,415.20, 760,718,122.80 and 472,881,248.80

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Solution

The fourth proportional to 507,145,415.20, 760,718,122.80 and 472,881,248.80 is: 709,321,873.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,145,415.20 : 760,718,122.80 = 472,881,248.80 : x
  2. Step 2: Convert to fraction form
    507,145,415.20/760,718,122.80 = 472,881,248.80/x
  3. Step 3: Cross multiply
    507,145,415.20x = 760,718,122.80 × 472,881,248.80
  4. Step 4: Simplify right side
    507,145,415.20x = 359,729,335,894,455,744
  5. Step 5: Solve for x
    x = 359,729,335,894,455,744/507,145,415.20
  6. Step 6: Final answer
    x = 709,321,873.20

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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.