Home / 1,707,011,540.40-2,562,430,498.20-1,320,547,645.20

Finding the Fourth Proportional to 1,707,011,540.40, 2,562,430,498.20 and 1,320,547,645.20

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Solution

The fourth proportional to 1,707,011,540.40, 2,562,430,498.20 and 1,320,547,645.20 is: 1,982,301,513.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707,011,540.40 : 2,562,430,498.20 = 1,320,547,645.20 : x
  2. Step 2: Convert to fraction form
    1,707,011,540.40/2,562,430,498.20 = 1,320,547,645.20/x
  3. Step 3: Cross multiply
    1,707,011,540.40x = 2,562,430,498.20 × 1,320,547,645.20
  4. Step 4: Simplify right side
    1,707,011,540.40x = 3,383,811,560,386,672,640
  5. Step 5: Solve for x
    x = 3,383,811,560,386,672,640/1,707,011,540.40
  6. Step 6: Final answer
    x = 1,982,301,513.67

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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.