Home / 872,293,973.50-1,308,452,357.16-290,028,219.04

Finding the Fourth Proportional to 872,293,973.50, 1,308,452,357.16 and 290,028,219.04

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Solution

The fourth proportional to 872,293,973.50, 1,308,452,357.16 and 290,028,219.04 is: 435,046,117.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,293,973.50 : 1,308,452,357.16 = 290,028,219.04 : x
  2. Step 2: Convert to fraction form
    872,293,973.50/1,308,452,357.16 = 290,028,219.04/x
  3. Step 3: Cross multiply
    872,293,973.50x = 1,308,452,357.16 × 290,028,219.04
  4. Step 4: Simplify right side
    872,293,973.50x = 379,488,106,845,804,864
  5. Step 5: Solve for x
    x = 379,488,106,845,804,864/872,293,973.50
  6. Step 6: Final answer
    x = 435,046,117.91

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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.