Home / 709,287,358.95-1,063,008,074.73-288,618,384.78

Finding the Fourth Proportional to 709,287,358.95, 1,063,008,074.73 and 288,618,384.78

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Solution

The fourth proportional to 709,287,358.95, 1,063,008,074.73 and 288,618,384.78 is: 432,552,011.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,287,358.95 : 1,063,008,074.73 = 288,618,384.78 : x
  2. Step 2: Convert to fraction form
    709,287,358.95/1,063,008,074.73 = 288,618,384.78/x
  3. Step 3: Cross multiply
    709,287,358.95x = 1,063,008,074.73 × 288,618,384.78
  4. Step 4: Simplify right side
    709,287,358.95x = 306,803,673,536,670,080
  5. Step 5: Solve for x
    x = 306,803,673,536,670,080/709,287,358.95
  6. Step 6: Final answer
    x = 432,552,011.06

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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.