Home / 1,431,808,941.78-1,975,668,679.04-805,156,350.03

Finding the Fourth Proportional to 1,431,808,941.78, 1,975,668,679.04 and 805,156,350.03

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Solution

The fourth proportional to 1,431,808,941.78, 1,975,668,679.04 and 805,156,350.03 is: 1,110,987,741.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,808,941.78 : 1,975,668,679.04 = 805,156,350.03 : x
  2. Step 2: Convert to fraction form
    1,431,808,941.78/1,975,668,679.04 = 805,156,350.03/x
  3. Step 3: Cross multiply
    1,431,808,941.78x = 1,975,668,679.04 × 805,156,350.03
  4. Step 4: Simplify right side
    1,431,808,941.78x = 1,590,722,182,480,412,160
  5. Step 5: Solve for x
    x = 1,590,722,182,480,412,160/1,431,808,941.78
  6. Step 6: Final answer
    x = 1,110,987,741.49

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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.