Home / 614,350,071.60-921,525,107.40-407,725,810.80

Finding the Fourth Proportional to 614,350,071.60, 921,525,107.40 and 407,725,810.80

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Solution

The fourth proportional to 614,350,071.60, 921,525,107.40 and 407,725,810.80 is: 611,588,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,350,071.60 : 921,525,107.40 = 407,725,810.80 : x
  2. Step 2: Convert to fraction form
    614,350,071.60/921,525,107.40 = 407,725,810.80/x
  3. Step 3: Cross multiply
    614,350,071.60x = 921,525,107.40 × 407,725,810.80
  4. Step 4: Simplify right side
    614,350,071.60x = 375,729,571,587,222,080
  5. Step 5: Solve for x
    x = 375,729,571,587,222,080/614,350,071.60
  6. Step 6: Final answer
    x = 611,588,716.20

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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.