Home / 993,015,705.60-1,490,195,404.80-447,476,428.80

Finding the Fourth Proportional to 993,015,705.60, 1,490,195,404.80 and 447,476,428.80

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Solution

The fourth proportional to 993,015,705.60, 1,490,195,404.80 and 447,476,428.80 is: 671,517,393.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,015,705.60 : 1,490,195,404.80 = 447,476,428.80 : x
  2. Step 2: Convert to fraction form
    993,015,705.60/1,490,195,404.80 = 447,476,428.80/x
  3. Step 3: Cross multiply
    993,015,705.60x = 1,490,195,404.80 × 447,476,428.80
  4. Step 4: Simplify right side
    993,015,705.60x = 666,827,317,954,074,368
  5. Step 5: Solve for x
    x = 666,827,317,954,074,368/993,015,705.60
  6. Step 6: Final answer
    x = 671,517,393.12

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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.