Home / 1,208,975,812,266.60-1,668,427,791,392.50-715,003,812,104.11

Finding the Fourth Proportional to 1,208,975,812,266.60, 1,668,427,791,392.50 and 715,003,812,104.11

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Solution

The fourth proportional to 1,208,975,812,266.60, 1,668,427,791,392.50 and 715,003,812,104.11 is: 986,729,609,444.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,975,812,266.60 : 1,668,427,791,392.50 = 715,003,812,104.11 : x
  2. Step 2: Convert to fraction form
    1,208,975,812,266.60/1,668,427,791,392.50 = 715,003,812,104.11/x
  3. Step 3: Cross multiply
    1,208,975,812,266.60x = 1,668,427,791,392.50 × 715,003,812,104.11
  4. Step 4: Simplify right side
    1,208,975,812,266.60x = 1,192,932,231,066,078,337,302,528
  5. Step 5: Solve for x
    x = 1,192,932,231,066,078,337,302,528/1,208,975,812,266.60
  6. Step 6: Final answer
    x = 986,729,609,444.84

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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.