Home / 401,376,471.84-602,284,148.10-155,742,792.48

Finding the Fourth Proportional to 401,376,471.84, 602,284,148.10 and 155,742,792.48

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Solution

The fourth proportional to 401,376,471.84, 602,284,148.10 and 155,742,792.48 is: 233,699,336.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,376,471.84 : 602,284,148.10 = 155,742,792.48 : x
  2. Step 2: Convert to fraction form
    401,376,471.84/602,284,148.10 = 155,742,792.48/x
  3. Step 3: Cross multiply
    401,376,471.84x = 602,284,148.10 × 155,742,792.48
  4. Step 4: Simplify right side
    401,376,471.84x = 93,801,415,091,531,888
  5. Step 5: Solve for x
    x = 93,801,415,091,531,888/401,376,471.84
  6. Step 6: Final answer
    x = 233,699,336.34

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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.