Home / 826,774,035.65-1,140,944,728.26-450,429,451.74

Finding the Fourth Proportional to 826,774,035.65, 1,140,944,728.26 and 450,429,451.74

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Solution

The fourth proportional to 826,774,035.65, 1,140,944,728.26 and 450,429,451.74 is: 621,590,768.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,774,035.65 : 1,140,944,728.26 = 450,429,451.74 : x
  2. Step 2: Convert to fraction form
    826,774,035.65/1,140,944,728.26 = 450,429,451.74/x
  3. Step 3: Cross multiply
    826,774,035.65x = 1,140,944,728.26 × 450,429,451.74
  4. Step 4: Simplify right side
    826,774,035.65x = 513,915,108,415,795,072
  5. Step 5: Solve for x
    x = 513,915,108,415,795,072/826,774,035.65
  6. Step 6: Final answer
    x = 621,590,768.77

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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.