Home / 607,704,836.16-838,169,972.35-523,075,991.57

Finding the Fourth Proportional to 607,704,836.16, 838,169,972.35 and 523,075,991.57

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Solution

The fourth proportional to 607,704,836.16, 838,169,972.35 and 523,075,991.57 is: 721,446,602.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,704,836.16 : 838,169,972.35 = 523,075,991.57 : x
  2. Step 2: Convert to fraction form
    607,704,836.16/838,169,972.35 = 523,075,991.57/x
  3. Step 3: Cross multiply
    607,704,836.16x = 838,169,972.35 × 523,075,991.57
  4. Step 4: Simplify right side
    607,704,836.16x = 438,426,589,391,175,744
  5. Step 5: Solve for x
    x = 438,426,589,391,175,744/607,704,836.16
  6. Step 6: Final answer
    x = 721,446,602.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.