Home / 852,790,663.02-1,279,185,848.55-464,939,655.78

Finding the Fourth Proportional to 852,790,663.02, 1,279,185,848.55 and 464,939,655.78

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Solution

The fourth proportional to 852,790,663.02, 1,279,185,848.55 and 464,939,655.78 is: 697,409,404.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,790,663.02 : 1,279,185,848.55 = 464,939,655.78 : x
  2. Step 2: Convert to fraction form
    852,790,663.02/1,279,185,848.55 = 464,939,655.78/x
  3. Step 3: Cross multiply
    852,790,663.02x = 1,279,185,848.55 × 464,939,655.78
  4. Step 4: Simplify right side
    852,790,663.02x = 594,744,228,103,484,160
  5. Step 5: Solve for x
    x = 594,744,228,103,484,160/852,790,663.02
  6. Step 6: Final answer
    x = 697,409,404.08

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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.