Home / 448,494,104.64-618,829,425.92-257,718,263.36

Finding the Fourth Proportional to 448,494,104.64, 618,829,425.92 and 257,718,263.36

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Solution

The fourth proportional to 448,494,104.64, 618,829,425.92 and 257,718,263.36 is: 355,598,085.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,494,104.64 : 618,829,425.92 = 257,718,263.36 : x
  2. Step 2: Convert to fraction form
    448,494,104.64/618,829,425.92 = 257,718,263.36/x
  3. Step 3: Cross multiply
    448,494,104.64x = 618,829,425.92 × 257,718,263.36
  4. Step 4: Simplify right side
    448,494,104.64x = 159,483,644,964,168,160
  5. Step 5: Solve for x
    x = 159,483,644,964,168,160/448,494,104.64
  6. Step 6: Final answer
    x = 355,598,085.49

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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.