Home / 515,001,696.66-710,721,031.05-295,027,637.94

Finding the Fourth Proportional to 515,001,696.66, 710,721,031.05 and 295,027,637.94

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Solution

The fourth proportional to 515,001,696.66, 710,721,031.05 and 295,027,637.94 is: 407,148,847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,001,696.66 : 710,721,031.05 = 295,027,637.94 : x
  2. Step 2: Convert to fraction form
    515,001,696.66/710,721,031.05 = 295,027,637.94/x
  3. Step 3: Cross multiply
    515,001,696.66x = 710,721,031.05 × 295,027,637.94
  4. Step 4: Simplify right side
    515,001,696.66x = 209,682,347,024,962,880
  5. Step 5: Solve for x
    x = 209,682,347,024,962,880/515,001,696.66
  6. Step 6: Final answer
    x = 407,148,847.05

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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.