Home / 693,999,042.66-1,040,960,246.20-507,444,159.51

Finding the Fourth Proportional to 693,999,042.66, 1,040,960,246.20 and 507,444,159.51

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Solution

The fourth proportional to 693,999,042.66, 1,040,960,246.20 and 507,444,159.51 is: 761,138,221.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,999,042.66 : 1,040,960,246.20 = 507,444,159.51 : x
  2. Step 2: Convert to fraction form
    693,999,042.66/1,040,960,246.20 = 507,444,159.51/x
  3. Step 3: Cross multiply
    693,999,042.66x = 1,040,960,246.20 × 507,444,159.51
  4. Step 4: Simplify right side
    693,999,042.66x = 528,229,197,216,281,664
  5. Step 5: Solve for x
    x = 528,229,197,216,281,664/693,999,042.66
  6. Step 6: Final answer
    x = 761,138,221.74

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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.