Home / 915,736,243.44-1,374,169,354.88-424,357,923.23

Finding the Fourth Proportional to 915,736,243.44, 1,374,169,354.88 and 424,357,923.23

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Solution

The fourth proportional to 915,736,243.44, 1,374,169,354.88 and 424,357,923.23 is: 636,798,704.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,736,243.44 : 1,374,169,354.88 = 424,357,923.23 : x
  2. Step 2: Convert to fraction form
    915,736,243.44/1,374,169,354.88 = 424,357,923.23/x
  3. Step 3: Cross multiply
    915,736,243.44x = 1,374,169,354.88 × 424,357,923.23
  4. Step 4: Simplify right side
    915,736,243.44x = 583,139,653,601,722,496
  5. Step 5: Solve for x
    x = 583,139,653,601,722,496/915,736,243.44
  6. Step 6: Final answer
    x = 636,798,704.62

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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.