Home / 441,161,780.40-661,742,670.60-118,045,652.40

Finding the Fourth Proportional to 441,161,780.40, 661,742,670.60 and 118,045,652.40

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Solution

The fourth proportional to 441,161,780.40, 661,742,670.60 and 118,045,652.40 is: 177,068,478.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,161,780.40 : 661,742,670.60 = 118,045,652.40 : x
  2. Step 2: Convert to fraction form
    441,161,780.40/661,742,670.60 = 118,045,652.40/x
  3. Step 3: Cross multiply
    441,161,780.40x = 661,742,670.60 × 118,045,652.40
  4. Step 4: Simplify right side
    441,161,780.40x = 78,115,845,271,895,312
  5. Step 5: Solve for x
    x = 78,115,845,271,895,312/441,161,780.40
  6. Step 6: Final answer
    x = 177,068,478.60

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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.