Home / 407,973,254.40-562,986,666.24-222,330,284.16

Finding the Fourth Proportional to 407,973,254.40, 562,986,666.24 and 222,330,284.16

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Solution

The fourth proportional to 407,973,254.40, 562,986,666.24 and 222,330,284.16 is: 306,806,841.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,973,254.40 : 562,986,666.24 = 222,330,284.16 : x
  2. Step 2: Convert to fraction form
    407,973,254.40/562,986,666.24 = 222,330,284.16/x
  3. Step 3: Cross multiply
    407,973,254.40x = 562,986,666.24 × 222,330,284.16
  4. Step 4: Simplify right side
    407,973,254.40x = 125,168,985,483,430,272
  5. Step 5: Solve for x
    x = 125,168,985,483,430,272/407,973,254.40
  6. Step 6: Final answer
    x = 306,806,841.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.