Home / 856,106,407.23-1,181,432,888.60-464,965,831.23

Finding the Fourth Proportional to 856,106,407.23, 1,181,432,888.60 and 464,965,831.23

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Solution

The fourth proportional to 856,106,407.23, 1,181,432,888.60 and 464,965,831.23 is: 641,656,131.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,106,407.23 : 1,181,432,888.60 = 464,965,831.23 : x
  2. Step 2: Convert to fraction form
    856,106,407.23/1,181,432,888.60 = 464,965,831.23/x
  3. Step 3: Cross multiply
    856,106,407.23x = 1,181,432,888.60 × 464,965,831.23
  4. Step 4: Simplify right side
    856,106,407.23x = 549,325,925,091,521,408
  5. Step 5: Solve for x
    x = 549,325,925,091,521,408/856,106,407.23
  6. Step 6: Final answer
    x = 641,656,131.12

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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.