Home / 514,409,217.40-709,945,577.58-305,566,185.16

Finding the Fourth Proportional to 514,409,217.40, 709,945,577.58 and 305,566,185.16

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Solution

The fourth proportional to 514,409,217.40, 709,945,577.58 and 305,566,185.16 is: 421,717,485.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,409,217.40 : 709,945,577.58 = 305,566,185.16 : x
  2. Step 2: Convert to fraction form
    514,409,217.40/709,945,577.58 = 305,566,185.16/x
  3. Step 3: Cross multiply
    514,409,217.40x = 709,945,577.58 × 305,566,185.16
  4. Step 4: Simplify right side
    514,409,217.40x = 216,935,361,812,333,472
  5. Step 5: Solve for x
    x = 216,935,361,812,333,472/514,409,217.40
  6. Step 6: Final answer
    x = 421,717,485.76

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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.