Home / 293,376,828.40-439,905,810.30-120,871,079.80

Finding the Fourth Proportional to 293,376,828.40, 439,905,810.30 and 120,871,079.80

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Solution

The fourth proportional to 293,376,828.40, 439,905,810.30 and 120,871,079.80 is: 181,240,933.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,376,828.40 : 439,905,810.30 = 120,871,079.80 : x
  2. Step 2: Convert to fraction form
    293,376,828.40/439,905,810.30 = 120,871,079.80/x
  3. Step 3: Cross multiply
    293,376,828.40x = 439,905,810.30 × 120,871,079.80
  4. Step 4: Simplify right side
    293,376,828.40x = 53,171,890,301,254,960
  5. Step 5: Solve for x
    x = 53,171,890,301,254,960/293,376,828.40
  6. Step 6: Final answer
    x = 181,240,933.69

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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.