Home / 389,881,805.60-584,822,708.40-313,354,301.60

Finding the Fourth Proportional to 389,881,805.60, 584,822,708.40 and 313,354,301.60

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Solution

The fourth proportional to 389,881,805.60, 584,822,708.40 and 313,354,301.60 is: 470,031,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,881,805.60 : 584,822,708.40 = 313,354,301.60 : x
  2. Step 2: Convert to fraction form
    389,881,805.60/584,822,708.40 = 313,354,301.60/x
  3. Step 3: Cross multiply
    389,881,805.60x = 584,822,708.40 × 313,354,301.60
  4. Step 4: Simplify right side
    389,881,805.60x = 183,256,711,350,502,464
  5. Step 5: Solve for x
    x = 183,256,711,350,502,464/389,881,805.60
  6. Step 6: Final answer
    x = 470,031,452.40

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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.