Home / 13,017,939,929.28-17,968,580,374.32-8,502,509,282.40

Finding the Fourth Proportional to 13,017,939,929.28, 17,968,580,374.32 and 8,502,509,282.40

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Solution

The fourth proportional to 13,017,939,929.28, 17,968,580,374.32 and 8,502,509,282.40 is: 11,735,959,933.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017,939,929.28 : 17,968,580,374.32 = 8,502,509,282.40 : x
  2. Step 2: Convert to fraction form
    13,017,939,929.28/17,968,580,374.32 = 8,502,509,282.40/x
  3. Step 3: Cross multiply
    13,017,939,929.28x = 17,968,580,374.32 × 8,502,509,282.40
  4. Step 4: Simplify right side
    13,017,939,929.28x = 152,778,021,424,206,249,984
  5. Step 5: Solve for x
    x = 152,778,021,424,206,249,984/13,017,939,929.28
  6. Step 6: Final answer
    x = 11,735,959,933.31

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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.