Home / 1,276,025,416.40-1,760,871,541.80-703,831,144

Finding the Fourth Proportional to 1,276,025,416.40, 1,760,871,541.80 and 703,831,144

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Solution

The fourth proportional to 1,276,025,416.40, 1,760,871,541.80 and 703,831,144 is: 971,262,966.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,025,416.40 : 1,760,871,541.80 = 703,831,144 : x
  2. Step 2: Convert to fraction form
    1,276,025,416.40/1,760,871,541.80 = 703,831,144/x
  3. Step 3: Cross multiply
    1,276,025,416.40x = 1,760,871,541.80 × 703,831,144
  4. Step 4: Simplify right side
    1,276,025,416.40x = 1,239,356,231,702,137,856
  5. Step 5: Solve for x
    x = 1,239,356,231,702,137,856/1,276,025,416.40
  6. Step 6: Final answer
    x = 971,262,966.84

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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.