Home / 456,849,774.78-630,460,356.19-248,005,917.35

Finding the Fourth Proportional to 456,849,774.78, 630,460,356.19 and 248,005,917.35

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Solution

The fourth proportional to 456,849,774.78, 630,460,356.19 and 248,005,917.35 is: 342,252,328.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,849,774.78 : 630,460,356.19 = 248,005,917.35 : x
  2. Step 2: Convert to fraction form
    456,849,774.78/630,460,356.19 = 248,005,917.35/x
  3. Step 3: Cross multiply
    456,849,774.78x = 630,460,356.19 × 248,005,917.35
  4. Step 4: Simplify right side
    456,849,774.78x = 156,357,898,988,300,608
  5. Step 5: Solve for x
    x = 156,357,898,988,300,608/456,849,774.78
  6. Step 6: Final answer
    x = 342,252,328.05

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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.