Home / 560,009,266.52-772,812,863.44-309,113,705.72

Finding the Fourth Proportional to 560,009,266.52, 772,812,863.44 and 309,113,705.72

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Solution

The fourth proportional to 560,009,266.52, 772,812,863.44 and 309,113,705.72 is: 426,576,955.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,009,266.52 : 772,812,863.44 = 309,113,705.72 : x
  2. Step 2: Convert to fraction form
    560,009,266.52/772,812,863.44 = 309,113,705.72/x
  3. Step 3: Cross multiply
    560,009,266.52x = 772,812,863.44 × 309,113,705.72
  4. Step 4: Simplify right side
    560,009,266.52x = 238,887,048,046,022,752
  5. Step 5: Solve for x
    x = 238,887,048,046,022,752/560,009,266.52
  6. Step 6: Final answer
    x = 426,576,955.65

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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.