Home / 607,103,615.36-910,519,128.80-279,264,267.20

Finding the Fourth Proportional to 607,103,615.36, 910,519,128.80 and 279,264,267.20

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Solution

The fourth proportional to 607,103,615.36, 910,519,128.80 and 279,264,267.20 is: 418,833,706.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,103,615.36 : 910,519,128.80 = 279,264,267.20 : x
  2. Step 2: Convert to fraction form
    607,103,615.36/910,519,128.80 = 279,264,267.20/x
  3. Step 3: Cross multiply
    607,103,615.36x = 910,519,128.80 × 279,264,267.20
  4. Step 4: Simplify right side
    607,103,615.36x = 254,275,457,275,914,400
  5. Step 5: Solve for x
    x = 254,275,457,275,914,400/607,103,615.36
  6. Step 6: Final answer
    x = 418,833,706.21

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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.