Home / 2,816,866,521.20-4,228,484,831.40-1,668,656,140.40

Finding the Fourth Proportional to 2,816,866,521.20, 4,228,484,831.40 and 1,668,656,140.40

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Solution

The fourth proportional to 2,816,866,521.20, 4,228,484,831.40 and 1,668,656,140.40 is: 2,504,870,971.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816,866,521.20 : 4,228,484,831.40 = 1,668,656,140.40 : x
  2. Step 2: Convert to fraction form
    2,816,866,521.20/4,228,484,831.40 = 1,668,656,140.40/x
  3. Step 3: Cross multiply
    2,816,866,521.20x = 4,228,484,831.40 × 1,668,656,140.40
  4. Step 4: Simplify right side
    2,816,866,521.20x = 7,055,887,178,503,869,440
  5. Step 5: Solve for x
    x = 7,055,887,178,503,869,440/2,816,866,521.20
  6. Step 6: Final answer
    x = 2,504,870,971.13

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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.