Home / 830,197,211.76-1,145,685,763.48-495,698,964.60

Finding the Fourth Proportional to 830,197,211.76, 1,145,685,763.48 and 495,698,964.60

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Solution

The fourth proportional to 830,197,211.76, 1,145,685,763.48 and 495,698,964.60 is: 684,072,698.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,197,211.76 : 1,145,685,763.48 = 495,698,964.60 : x
  2. Step 2: Convert to fraction form
    830,197,211.76/1,145,685,763.48 = 495,698,964.60/x
  3. Step 3: Cross multiply
    830,197,211.76x = 1,145,685,763.48 × 495,698,964.60
  4. Step 4: Simplify right side
    830,197,211.76x = 567,915,246,713,996,544
  5. Step 5: Solve for x
    x = 567,915,246,713,996,544/830,197,211.76
  6. Step 6: Final answer
    x = 684,072,698.23

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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.