Home / 390,574,203.60-585,010,999.80-236,952,325.20

Finding the Fourth Proportional to 390,574,203.60, 585,010,999.80 and 236,952,325.20

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Solution

The fourth proportional to 390,574,203.60, 585,010,999.80 and 236,952,325.20 is: 354,912,627.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,574,203.60 : 585,010,999.80 = 236,952,325.20 : x
  2. Step 2: Convert to fraction form
    390,574,203.60/585,010,999.80 = 236,952,325.20/x
  3. Step 3: Cross multiply
    390,574,203.60x = 585,010,999.80 × 236,952,325.20
  4. Step 4: Simplify right side
    390,574,203.60x = 138,619,716,670,186,720
  5. Step 5: Solve for x
    x = 138,619,716,670,186,720/390,574,203.60
  6. Step 6: Final answer
    x = 354,912,627.08

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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.