Home / 879,376,574,479.55-1,318,309,399,333.80-305,618,144,065.15

Finding the Fourth Proportional to 879,376,574,479.55, 1,318,309,399,333.80 and 305,618,144,065.15

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Solution

The fourth proportional to 879,376,574,479.55, 1,318,309,399,333.80 and 305,618,144,065.15 is: 458,164,663,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,376,574,479.55 : 1,318,309,399,333.80 = 305,618,144,065.15 : x
  2. Step 2: Convert to fraction form
    879,376,574,479.55/1,318,309,399,333.80 = 305,618,144,065.15/x
  3. Step 3: Cross multiply
    879,376,574,479.55x = 1,318,309,399,333.80 × 305,618,144,065.15
  4. Step 4: Simplify right side
    879,376,574,479.55x = 402,899,271,928,038,723,420,160
  5. Step 5: Solve for x
    x = 402,899,271,928,038,723,420,160/879,376,574,479.55
  6. Step 6: Final answer
    x = 458,164,663,035.85

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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.