Home / 751,257,405.40-1,126,886,143.15-514,673,635.70

Finding the Fourth Proportional to 751,257,405.40, 1,126,886,143.15 and 514,673,635.70

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Solution

The fourth proportional to 751,257,405.40, 1,126,886,143.15 and 514,673,635.70 is: 772,010,477.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,257,405.40 : 1,126,886,143.15 = 514,673,635.70 : x
  2. Step 2: Convert to fraction form
    751,257,405.40/1,126,886,143.15 = 514,673,635.70/x
  3. Step 3: Cross multiply
    751,257,405.40x = 1,126,886,143.15 × 514,673,635.70
  4. Step 4: Simplify right side
    751,257,405.40x = 579,978,588,312,114,304
  5. Step 5: Solve for x
    x = 579,978,588,312,114,304/751,257,405.40
  6. Step 6: Final answer
    x = 772,010,477.56

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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.