Home / 1,000,560,369.34-1,380,773,440.56-554,552,527.03

Finding the Fourth Proportional to 1,000,560,369.34, 1,380,773,440.56 and 554,552,527.03

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Solution

The fourth proportional to 1,000,560,369.34, 1,380,773,440.56 and 554,552,527.03 is: 765,282,559.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,560,369.34 : 1,380,773,440.56 = 554,552,527.03 : x
  2. Step 2: Convert to fraction form
    1,000,560,369.34/1,380,773,440.56 = 554,552,527.03/x
  3. Step 3: Cross multiply
    1,000,560,369.34x = 1,380,773,440.56 × 554,552,527.03
  4. Step 4: Simplify right side
    1,000,560,369.34x = 765,711,400,718,455,424
  5. Step 5: Solve for x
    x = 765,711,400,718,455,424/1,000,560,369.34
  6. Step 6: Final answer
    x = 765,282,559.84

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Double scale
Find fourth proportional to 1,000,560,370.34, 1,380,773,441.94 and 554,552,528.03
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1.5x scale

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.