Home / 448,907,712.70-673,361,569.05-435,470,784.70

Finding the Fourth Proportional to 448,907,712.70, 673,361,569.05 and 435,470,784.70

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Solution

The fourth proportional to 448,907,712.70, 673,361,569.05 and 435,470,784.70 is: 653,206,177.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,907,712.70 : 673,361,569.05 = 435,470,784.70 : x
  2. Step 2: Convert to fraction form
    448,907,712.70/673,361,569.05 = 435,470,784.70/x
  3. Step 3: Cross multiply
    448,907,712.70x = 673,361,569.05 × 435,470,784.70
  4. Step 4: Simplify right side
    448,907,712.70x = 293,229,290,861,026,688
  5. Step 5: Solve for x
    x = 293,229,290,861,026,688/448,907,712.70
  6. Step 6: Final answer
    x = 653,206,177.05

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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.