Home / 639,600,541.47-956,631,173.54-376,658,315.45

Finding the Fourth Proportional to 639,600,541.47, 956,631,173.54 and 376,658,315.45

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Solution

The fourth proportional to 639,600,541.47, 956,631,173.54 and 376,658,315.45 is: 563,356,443.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,600,541.47 : 956,631,173.54 = 376,658,315.45 : x
  2. Step 2: Convert to fraction form
    639,600,541.47/956,631,173.54 = 376,658,315.45/x
  3. Step 3: Cross multiply
    639,600,541.47x = 956,631,173.54 × 376,658,315.45
  4. Step 4: Simplify right side
    639,600,541.47x = 360,323,086,334,453,760
  5. Step 5: Solve for x
    x = 360,323,086,334,453,760/639,600,541.47
  6. Step 6: Final answer
    x = 563,356,443.55

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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.