Home / 688,423,838.52-1,032,837,617.88-222,075,919.20

Finding the Fourth Proportional to 688,423,838.52, 1,032,837,617.88 and 222,075,919.20

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Solution

The fourth proportional to 688,423,838.52, 1,032,837,617.88 and 222,075,919.20 is: 333,178,996.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,423,838.52 : 1,032,837,617.88 = 222,075,919.20 : x
  2. Step 2: Convert to fraction form
    688,423,838.52/1,032,837,617.88 = 222,075,919.20/x
  3. Step 3: Cross multiply
    688,423,838.52x = 1,032,837,617.88 × 222,075,919.20
  4. Step 4: Simplify right side
    688,423,838.52x = 229,368,363,375,039,328
  5. Step 5: Solve for x
    x = 229,368,363,375,039,328/688,423,838.52
  6. Step 6: Final answer
    x = 333,178,996.05

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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.