Home / 559,652,278.05-772,315,828.38-308,767,243.41

Finding the Fourth Proportional to 559,652,278.05, 772,315,828.38 and 308,767,243.41

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Solution

The fourth proportional to 559,652,278.05, 772,315,828.38 and 308,767,243.41 is: 426,096,415.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,652,278.05 : 772,315,828.38 = 308,767,243.41 : x
  2. Step 2: Convert to fraction form
    559,652,278.05/772,315,828.38 = 308,767,243.41/x
  3. Step 3: Cross multiply
    559,652,278.05x = 772,315,828.38 × 308,767,243.41
  4. Step 4: Simplify right side
    559,652,278.05x = 238,465,829,370,803,264
  5. Step 5: Solve for x
    x = 238,465,829,370,803,264/559,652,278.05
  6. Step 6: Final answer
    x = 426,096,415.08

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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.