Home / 638,943,774.44-958,521,612.96-224,312,978.12

Finding the Fourth Proportional to 638,943,774.44, 958,521,612.96 and 224,312,978.12

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Solution

The fourth proportional to 638,943,774.44, 958,521,612.96 and 224,312,978.12 is: 336,506,663.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,943,774.44 : 958,521,612.96 = 224,312,978.12 : x
  2. Step 2: Convert to fraction form
    638,943,774.44/958,521,612.96 = 224,312,978.12/x
  3. Step 3: Cross multiply
    638,943,774.44x = 958,521,612.96 × 224,312,978.12
  4. Step 4: Simplify right side
    638,943,774.44x = 215,008,837,595,443,616
  5. Step 5: Solve for x
    x = 215,008,837,595,443,616/638,943,774.44
  6. Step 6: Final answer
    x = 336,506,663.33

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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.