Home / 830,406,319.12-1,145,924,430.96-454,055,811.76

Finding the Fourth Proportional to 830,406,319.12, 1,145,924,430.96 and 454,055,811.76

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Solution

The fourth proportional to 830,406,319.12, 1,145,924,430.96 and 454,055,811.76 is: 626,577,177.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,406,319.12 : 1,145,924,430.96 = 454,055,811.76 : x
  2. Step 2: Convert to fraction form
    830,406,319.12/1,145,924,430.96 = 454,055,811.76/x
  3. Step 3: Cross multiply
    830,406,319.12x = 1,145,924,430.96 × 454,055,811.76
  4. Step 4: Simplify right side
    830,406,319.12x = 520,313,647,715,158,912
  5. Step 5: Solve for x
    x = 520,313,647,715,158,912/830,406,319.12
  6. Step 6: Final answer
    x = 626,577,177.62

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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.