Home / 915,736,241.19-1,374,169,351.52-424,357,920.98

Finding the Fourth Proportional to 915,736,241.19, 1,374,169,351.52 and 424,357,920.98

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Solution

The fourth proportional to 915,736,241.19, 1,374,169,351.52 and 424,357,920.98 is: 636,798,701.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,736,241.19 : 1,374,169,351.52 = 424,357,920.98 : x
  2. Step 2: Convert to fraction form
    915,736,241.19/1,374,169,351.52 = 424,357,920.98/x
  3. Step 3: Cross multiply
    915,736,241.19x = 1,374,169,351.52 × 424,357,920.98
  4. Step 4: Simplify right side
    915,736,241.19x = 583,139,649,084,805,248
  5. Step 5: Solve for x
    x = 583,139,649,084,805,248/915,736,241.19
  6. Step 6: Final answer
    x = 636,798,701.26

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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.