Home / 1,148,079,688.90-1,584,839,705.49-771,954,289.30

Finding the Fourth Proportional to 1,148,079,688.90, 1,584,839,705.49 and 771,954,289.30

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Solution

The fourth proportional to 1,148,079,688.90, 1,584,839,705.49 and 771,954,289.30 is: 1,065,626,210.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,079,688.90 : 1,584,839,705.49 = 771,954,289.30 : x
  2. Step 2: Convert to fraction form
    1,148,079,688.90/1,584,839,705.49 = 771,954,289.30/x
  3. Step 3: Cross multiply
    1,148,079,688.90x = 1,584,839,705.49 × 771,954,289.30
  4. Step 4: Simplify right side
    1,148,079,688.90x = 1,223,423,808,505,954,304
  5. Step 5: Solve for x
    x = 1,223,423,808,505,954,304/1,148,079,688.90
  6. Step 6: Final answer
    x = 1,065,626,210.74

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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.