Home / 1,224,225,859.40-1,839,921,969.90-1,066,565,904.20

Finding the Fourth Proportional to 1,224,225,859.40, 1,839,921,969.90 and 1,066,565,904.20

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Solution

The fourth proportional to 1,224,225,859.40, 1,839,921,969.90 and 1,066,565,904.20 is: 1,602,970,582.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,225,859.40 : 1,839,921,969.90 = 1,066,565,904.20 : x
  2. Step 2: Convert to fraction form
    1,224,225,859.40/1,839,921,969.90 = 1,066,565,904.20/x
  3. Step 3: Cross multiply
    1,224,225,859.40x = 1,839,921,969.90 × 1,066,565,904.20
  4. Step 4: Simplify right side
    1,224,225,859.40x = 1,962,398,039,483,838,976
  5. Step 5: Solve for x
    x = 1,962,398,039,483,838,976/1,224,225,859.40
  6. Step 6: Final answer
    x = 1,602,970,582.93

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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.