Home / 319,304,462,771.52-440,610,016,741.92-190,820,331,904.32

Finding the Fourth Proportional to 319,304,462,771.52, 440,610,016,741.92 and 190,820,331,904.32

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Solution

The fourth proportional to 319,304,462,771.52, 440,610,016,741.92 and 190,820,331,904.32 is: 263,314,044,862.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,304,462,771.52 : 440,610,016,741.92 = 190,820,331,904.32 : x
  2. Step 2: Convert to fraction form
    319,304,462,771.52/440,610,016,741.92 = 190,820,331,904.32/x
  3. Step 3: Cross multiply
    319,304,462,771.52x = 440,610,016,741.92 × 190,820,331,904.32
  4. Step 4: Simplify right side
    319,304,462,771.52x = 84,077,349,635,061,159,297,024
  5. Step 5: Solve for x
    x = 84,077,349,635,061,159,297,024/319,304,462,771.52
  6. Step 6: Final answer
    x = 263,314,044,862.64

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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.