Home / 567,122,403.84-782,609,569.38-312,813,838.32

Finding the Fourth Proportional to 567,122,403.84, 782,609,569.38 and 312,813,838.32

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Solution

The fourth proportional to 567,122,403.84, 782,609,569.38 and 312,813,838.32 is: 431,672,424.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,122,403.84 : 782,609,569.38 = 312,813,838.32 : x
  2. Step 2: Convert to fraction form
    567,122,403.84/782,609,569.38 = 312,813,838.32/x
  3. Step 3: Cross multiply
    567,122,403.84x = 782,609,569.38 × 312,813,838.32
  4. Step 4: Simplify right side
    567,122,403.84x = 244,811,103,303,720,128
  5. Step 5: Solve for x
    x = 244,811,103,303,720,128/567,122,403.84
  6. Step 6: Final answer
    x = 431,672,424.94

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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.