Home / 610,628,993.80-916,330,895.10-260,877,696.79

Finding the Fourth Proportional to 610,628,993.80, 916,330,895.10 and 260,877,696.79

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Solution

The fourth proportional to 610,628,993.80, 916,330,895.10 and 260,877,696.79 is: 391,482,055.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,628,993.80 : 916,330,895.10 = 260,877,696.79 : x
  2. Step 2: Convert to fraction form
    610,628,993.80/916,330,895.10 = 260,877,696.79/x
  3. Step 3: Cross multiply
    610,628,993.80x = 916,330,895.10 × 260,877,696.79
  4. Step 4: Simplify right side
    610,628,993.80x = 239,050,293,411,207,104
  5. Step 5: Solve for x
    x = 239,050,293,411,207,104/610,628,993.80
  6. Step 6: Final answer
    x = 391,482,055.12

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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.