Home / 559,875,583.80-839,813,375.70-478,246,246.20

Finding the Fourth Proportional to 559,875,583.80, 839,813,375.70 and 478,246,246.20

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Solution

The fourth proportional to 559,875,583.80, 839,813,375.70 and 478,246,246.20 is: 717,369,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,875,583.80 : 839,813,375.70 = 478,246,246.20 : x
  2. Step 2: Convert to fraction form
    559,875,583.80/839,813,375.70 = 478,246,246.20/x
  3. Step 3: Cross multiply
    559,875,583.80x = 839,813,375.70 × 478,246,246.20
  4. Step 4: Simplify right side
    559,875,583.80x = 401,637,594,437,075,328
  5. Step 5: Solve for x
    x = 401,637,594,437,075,328/559,875,583.80
  6. Step 6: Final answer
    x = 717,369,369.30

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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.