Home / 2,287,883,814.12-3,157,186,687.02-1,297,787,973.48

Finding the Fourth Proportional to 2,287,883,814.12, 3,157,186,687.02 and 1,297,787,973.48

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Solution

The fourth proportional to 2,287,883,814.12, 3,157,186,687.02 and 1,297,787,973.48 is: 1,790,894,663.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287,883,814.12 : 3,157,186,687.02 = 1,297,787,973.48 : x
  2. Step 2: Convert to fraction form
    2,287,883,814.12/3,157,186,687.02 = 1,297,787,973.48/x
  3. Step 3: Cross multiply
    2,287,883,814.12x = 3,157,186,687.02 × 1,297,787,973.48
  4. Step 4: Simplify right side
    2,287,883,814.12x = 4,097,358,912,445,721,088
  5. Step 5: Solve for x
    x = 4,097,358,912,445,721,088/2,287,883,814.12
  6. Step 6: Final answer
    x = 1,790,894,663.08

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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.