Home / 456,561,147.36-630,046,437.72-277,880,448

Finding the Fourth Proportional to 456,561,147.36, 630,046,437.72 and 277,880,448

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Solution

The fourth proportional to 456,561,147.36, 630,046,437.72 and 277,880,448 is: 383,470,182.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,561,147.36 : 630,046,437.72 = 277,880,448 : x
  2. Step 2: Convert to fraction form
    456,561,147.36/630,046,437.72 = 277,880,448/x
  3. Step 3: Cross multiply
    456,561,147.36x = 630,046,437.72 × 277,880,448
  4. Step 4: Simplify right side
    456,561,147.36x = 175,077,586,374,437,696
  5. Step 5: Solve for x
    x = 175,077,586,374,437,696/456,561,147.36
  6. Step 6: Final answer
    x = 383,470,182.22

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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.