Home / 787,326,711.20-1,180,990,066.80-495,246,737.60

Finding the Fourth Proportional to 787,326,711.20, 1,180,990,066.80 and 495,246,737.60

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Solution

The fourth proportional to 787,326,711.20, 1,180,990,066.80 and 495,246,737.60 is: 742,870,106.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,326,711.20 : 1,180,990,066.80 = 495,246,737.60 : x
  2. Step 2: Convert to fraction form
    787,326,711.20/1,180,990,066.80 = 495,246,737.60/x
  3. Step 3: Cross multiply
    787,326,711.20x = 1,180,990,066.80 × 495,246,737.60
  4. Step 4: Simplify right side
    787,326,711.20x = 584,881,477,720,706,048
  5. Step 5: Solve for x
    x = 584,881,477,720,706,048/787,326,711.20
  6. Step 6: Final answer
    x = 742,870,106.40

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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.