Home / 1,034,298,386.28-1,551,160,528.38-287,142,514.92

Finding the Fourth Proportional to 1,034,298,386.28, 1,551,160,528.38 and 287,142,514.92

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Solution

The fourth proportional to 1,034,298,386.28, 1,551,160,528.38 and 287,142,514.92 is: 430,634,081.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,298,386.28 : 1,551,160,528.38 = 287,142,514.92 : x
  2. Step 2: Convert to fraction form
    1,034,298,386.28/1,551,160,528.38 = 287,142,514.92/x
  3. Step 3: Cross multiply
    1,034,298,386.28x = 1,551,160,528.38 × 287,142,514.92
  4. Step 4: Simplify right side
    1,034,298,386.28x = 445,404,135,163,669,312
  5. Step 5: Solve for x
    x = 445,404,135,163,669,312/1,034,298,386.28
  6. Step 6: Final answer
    x = 430,634,081.10

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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.