Home / 753,947,049,871.92-1,130,913,122,057.40-345,417,542,904.24

Finding the Fourth Proportional to 753,947,049,871.92, 1,130,913,122,057.40 and 345,417,542,904.24

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Solution

The fourth proportional to 753,947,049,871.92, 1,130,913,122,057.40 and 345,417,542,904.24 is: 518,122,899,911.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,947,049,871.92 : 1,130,913,122,057.40 = 345,417,542,904.24 : x
  2. Step 2: Convert to fraction form
    753,947,049,871.92/1,130,913,122,057.40 = 345,417,542,904.24/x
  3. Step 3: Cross multiply
    753,947,049,871.92x = 1,130,913,122,057.40 × 345,417,542,904.24
  4. Step 4: Simplify right side
    753,947,049,871.92x = 390,637,231,859,229,905,649,664
  5. Step 5: Solve for x
    x = 390,637,231,859,229,905,649,664/753,947,049,871.92
  6. Step 6: Final answer
    x = 518,122,899,911.33

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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.