Home / 922,569,761.84-1,273,145,441.16-520,768,103.60

Finding the Fourth Proportional to 922,569,761.84, 1,273,145,441.16 and 520,768,103.60

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Solution

The fourth proportional to 922,569,761.84, 1,273,145,441.16 and 520,768,103.60 is: 718,659,514.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,569,761.84 : 1,273,145,441.16 = 520,768,103.60 : x
  2. Step 2: Convert to fraction form
    922,569,761.84/1,273,145,441.16 = 520,768,103.60/x
  3. Step 3: Cross multiply
    922,569,761.84x = 1,273,145,441.16 × 520,768,103.60
  4. Step 4: Simplify right side
    922,569,761.84x = 663,013,536,999,878,656
  5. Step 5: Solve for x
    x = 663,013,536,999,878,656/922,569,761.84
  6. Step 6: Final answer
    x = 718,659,514.35

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