Home / 1,031,667,328.40-1,547,500,992.60-972,544,845.20

Finding the Fourth Proportional to 1,031,667,328.40, 1,547,500,992.60 and 972,544,845.20

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Solution

The fourth proportional to 1,031,667,328.40, 1,547,500,992.60 and 972,544,845.20 is: 1,458,817,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,667,328.40 : 1,547,500,992.60 = 972,544,845.20 : x
  2. Step 2: Convert to fraction form
    1,031,667,328.40/1,547,500,992.60 = 972,544,845.20/x
  3. Step 3: Cross multiply
    1,031,667,328.40x = 1,547,500,992.60 × 972,544,845.20
  4. Step 4: Simplify right side
    1,031,667,328.40x = 1,505,014,113,295,013,376
  5. Step 5: Solve for x
    x = 1,505,014,113,295,013,376/1,031,667,328.40
  6. Step 6: Final answer
    x = 1,458,817,267.80

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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.