Home / 856,106,405.61-1,181,432,886.35-464,965,829.61

Finding the Fourth Proportional to 856,106,405.61, 1,181,432,886.35 and 464,965,829.61

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Solution

The fourth proportional to 856,106,405.61, 1,181,432,886.35 and 464,965,829.61 is: 641,656,128.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,106,405.61 : 1,181,432,886.35 = 464,965,829.61 : x
  2. Step 2: Convert to fraction form
    856,106,405.61/1,181,432,886.35 = 464,965,829.61/x
  3. Step 3: Cross multiply
    856,106,405.61x = 1,181,432,886.35 × 464,965,829.61
  4. Step 4: Simplify right side
    856,106,405.61x = 549,325,922,130,264,576
  5. Step 5: Solve for x
    x = 549,325,922,130,264,576/856,106,405.61
  6. Step 6: Final answer
    x = 641,656,128.88

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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.