Home / 448,537,379.51-618,981,606.93-247,594,307.04

Finding the Fourth Proportional to 448,537,379.51, 618,981,606.93 and 247,594,307.04

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Solution

The fourth proportional to 448,537,379.51, 618,981,606.93 and 247,594,307.04 is: 341,680,156.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,537,379.51 : 618,981,606.93 = 247,594,307.04 : x
  2. Step 2: Convert to fraction form
    448,537,379.51/618,981,606.93 = 247,594,307.04/x
  3. Step 3: Cross multiply
    448,537,379.51x = 618,981,606.93 × 247,594,307.04
  4. Step 4: Simplify right side
    448,537,379.51x = 153,256,322,039,269,984
  5. Step 5: Solve for x
    x = 153,256,322,039,269,984/448,537,379.51
  6. Step 6: Final answer
    x = 341,680,156.53

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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.