Home / 1,081,301,778-1,622,114,527.14-391,370,455.08

Finding the Fourth Proportional to 1,081,301,778, 1,622,114,527.14 and 391,370,455.08

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Solution

The fourth proportional to 1,081,301,778, 1,622,114,527.14 and 391,370,455.08 is: 587,114,266.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,301,778 : 1,622,114,527.14 = 391,370,455.08 : x
  2. Step 2: Convert to fraction form
    1,081,301,778/1,622,114,527.14 = 391,370,455.08/x
  3. Step 3: Cross multiply
    1,081,301,778x = 1,622,114,527.14 × 391,370,455.08
  4. Step 4: Simplify right side
    1,081,301,778x = 634,847,700,678,660,864
  5. Step 5: Solve for x
    x = 634,847,700,678,660,864/1,081,301,778
  6. Step 6: Final answer
    x = 587,114,266.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.