Home / 1,729,688,758.65-2,386,940,985.18-936,728,294.49

Finding the Fourth Proportional to 1,729,688,758.65, 2,386,940,985.18 and 936,728,294.49

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Solution

The fourth proportional to 1,729,688,758.65, 2,386,940,985.18 and 936,728,294.49 is: 1,292,669,069.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729,688,758.65 : 2,386,940,985.18 = 936,728,294.49 : x
  2. Step 2: Convert to fraction form
    1,729,688,758.65/2,386,940,985.18 = 936,728,294.49/x
  3. Step 3: Cross multiply
    1,729,688,758.65x = 2,386,940,985.18 × 936,728,294.49
  4. Step 4: Simplify right side
    1,729,688,758.65x = 2,235,915,158,095,941,632
  5. Step 5: Solve for x
    x = 2,235,915,158,095,941,632/1,729,688,758.65
  6. Step 6: Final answer
    x = 1,292,669,069.46

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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.