Home / 358,574,881.89-494,828,307.05-199,811,696.42

Finding the Fourth Proportional to 358,574,881.89, 494,828,307.05 and 199,811,696.42

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Solution

The fourth proportional to 358,574,881.89, 494,828,307.05 and 199,811,696.42 is: 275,737,338.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,574,881.89 : 494,828,307.05 = 199,811,696.42 : x
  2. Step 2: Convert to fraction form
    358,574,881.89/494,828,307.05 = 199,811,696.42/x
  3. Step 3: Cross multiply
    358,574,881.89x = 494,828,307.05 × 199,811,696.42
  4. Step 4: Simplify right side
    358,574,881.89x = 98,872,483,465,754,240
  5. Step 5: Solve for x
    x = 98,872,483,465,754,240/358,574,881.89
  6. Step 6: Final answer
    x = 275,737,338.16

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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.