Home / 830,406,321.12-1,145,924,433.72-454,055,813.76

Finding the Fourth Proportional to 830,406,321.12, 1,145,924,433.72 and 454,055,813.76

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Solution

The fourth proportional to 830,406,321.12, 1,145,924,433.72 and 454,055,813.76 is: 626,577,180.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,406,321.12 : 1,145,924,433.72 = 454,055,813.76 : x
  2. Step 2: Convert to fraction form
    830,406,321.12/1,145,924,433.72 = 454,055,813.76/x
  3. Step 3: Cross multiply
    830,406,321.12x = 1,145,924,433.72 × 454,055,813.76
  4. Step 4: Simplify right side
    830,406,321.12x = 520,313,651,260,201,792
  5. Step 5: Solve for x
    x = 520,313,651,260,201,792/830,406,321.12
  6. Step 6: Final answer
    x = 626,577,180.38

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Double scale
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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.