Home / 614,350,043.10-921,525,064.65-407,725,782.30

Finding the Fourth Proportional to 614,350,043.10, 921,525,064.65 and 407,725,782.30

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Solution

The fourth proportional to 614,350,043.10, 921,525,064.65 and 407,725,782.30 is: 611,588,673.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,350,043.10 : 921,525,064.65 = 407,725,782.30 : x
  2. Step 2: Convert to fraction form
    614,350,043.10/921,525,064.65 = 407,725,782.30/x
  3. Step 3: Cross multiply
    614,350,043.10x = 921,525,064.65 × 407,725,782.30
  4. Step 4: Simplify right side
    614,350,043.10x = 375,729,527,893,479,296
  5. Step 5: Solve for x
    x = 375,729,527,893,479,296/614,350,043.10
  6. Step 6: Final answer
    x = 611,588,673.45

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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.