Home / 554,808,088.80-765,647,533.92-316,648,496.16

Finding the Fourth Proportional to 554,808,088.80, 765,647,533.92 and 316,648,496.16

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Solution

The fourth proportional to 554,808,088.80, 765,647,533.92 and 316,648,496.16 is: 436,981,985.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,808,088.80 : 765,647,533.92 = 316,648,496.16 : x
  2. Step 2: Convert to fraction form
    554,808,088.80/765,647,533.92 = 316,648,496.16/x
  3. Step 3: Cross multiply
    554,808,088.80x = 765,647,533.92 × 316,648,496.16
  4. Step 4: Simplify right side
    554,808,088.80x = 242,441,140,204,380,608
  5. Step 5: Solve for x
    x = 242,441,140,204,380,608/554,808,088.80
  6. Step 6: Final answer
    x = 436,981,985.48

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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.