Home / 709,849,674.70-1,064,774,512.05-327,643,722.70

Finding the Fourth Proportional to 709,849,674.70, 1,064,774,512.05 and 327,643,722.70

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Solution

The fourth proportional to 709,849,674.70, 1,064,774,512.05 and 327,643,722.70 is: 491,465,584.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,849,674.70 : 1,064,774,512.05 = 327,643,722.70 : x
  2. Step 2: Convert to fraction form
    709,849,674.70/1,064,774,512.05 = 327,643,722.70/x
  3. Step 3: Cross multiply
    709,849,674.70x = 1,064,774,512.05 × 327,643,722.70
  4. Step 4: Simplify right side
    709,849,674.70x = 348,866,684,964,137,984
  5. Step 5: Solve for x
    x = 348,866,684,964,137,984/709,849,674.70
  6. Step 6: Final answer
    x = 491,465,584.05

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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.