Home / 555,740,457.58-766,914,595.32-317,582,932.27

Finding the Fourth Proportional to 555,740,457.58, 766,914,595.32 and 317,582,932.27

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Solution

The fourth proportional to 555,740,457.58, 766,914,595.32 and 317,582,932.27 is: 438,260,311.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,740,457.58 : 766,914,595.32 = 317,582,932.27 : x
  2. Step 2: Convert to fraction form
    555,740,457.58/766,914,595.32 = 317,582,932.27/x
  3. Step 3: Cross multiply
    555,740,457.58x = 766,914,595.32 × 317,582,932.27
  4. Step 4: Simplify right side
    555,740,457.58x = 243,558,985,980,946,432
  5. Step 5: Solve for x
    x = 243,558,985,980,946,432/555,740,457.58
  6. Step 6: Final answer
    x = 438,260,311.37

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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.