Home / 776,750,140.04-1,165,584,891.06-285,808,172.36

Finding the Fourth Proportional to 776,750,140.04, 1,165,584,891.06 and 285,808,172.36

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Solution

The fourth proportional to 776,750,140.04, 1,165,584,891.06 and 285,808,172.36 is: 428,881,399.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,750,140.04 : 1,165,584,891.06 = 285,808,172.36 : x
  2. Step 2: Convert to fraction form
    776,750,140.04/1,165,584,891.06 = 285,808,172.36/x
  3. Step 3: Cross multiply
    776,750,140.04x = 1,165,584,891.06 × 285,808,172.36
  4. Step 4: Simplify right side
    776,750,140.04x = 333,133,687,438,460,416
  5. Step 5: Solve for x
    x = 333,133,687,438,460,416/776,750,140.04
  6. Step 6: Final answer
    x = 428,881,399.91

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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.