Home / 1,284,249,565.76-1,772,234,258.01-755,647,789.30

Finding the Fourth Proportional to 1,284,249,565.76, 1,772,234,258.01 and 755,647,789.30

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Solution

The fourth proportional to 1,284,249,565.76, 1,772,234,258.01 and 755,647,789.30 is: 1,042,776,213.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,249,565.76 : 1,772,234,258.01 = 755,647,789.30 : x
  2. Step 2: Convert to fraction form
    1,284,249,565.76/1,772,234,258.01 = 755,647,789.30/x
  3. Step 3: Cross multiply
    1,284,249,565.76x = 1,772,234,258.01 × 755,647,789.30
  4. Step 4: Simplify right side
    1,284,249,565.76x = 1,339,184,899,191,831,552
  5. Step 5: Solve for x
    x = 1,339,184,899,191,831,552/1,284,249,565.76
  6. Step 6: Final answer
    x = 1,042,776,213.36

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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.