Home / 487,154,608.40-730,731,912.60-452,717,231.60

Finding the Fourth Proportional to 487,154,608.40, 730,731,912.60 and 452,717,231.60

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Solution

The fourth proportional to 487,154,608.40, 730,731,912.60 and 452,717,231.60 is: 679,075,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,154,608.40 : 730,731,912.60 = 452,717,231.60 : x
  2. Step 2: Convert to fraction form
    487,154,608.40/730,731,912.60 = 452,717,231.60/x
  3. Step 3: Cross multiply
    487,154,608.40x = 730,731,912.60 × 452,717,231.60
  4. Step 4: Simplify right side
    487,154,608.40x = 330,814,928,514,045,184
  5. Step 5: Solve for x
    x = 330,814,928,514,045,184/487,154,608.40
  6. Step 6: Final answer
    x = 679,075,847.40

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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.