Home / 709,849,661.70-1,064,774,492.55-327,643,709.70

Finding the Fourth Proportional to 709,849,661.70, 1,064,774,492.55 and 327,643,709.70

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Solution

The fourth proportional to 709,849,661.70, 1,064,774,492.55 and 327,643,709.70 is: 491,465,564.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,849,661.70 : 1,064,774,492.55 = 327,643,709.70 : x
  2. Step 2: Convert to fraction form
    709,849,661.70/1,064,774,492.55 = 327,643,709.70/x
  3. Step 3: Cross multiply
    709,849,661.70x = 1,064,774,492.55 × 327,643,709.70
  4. Step 4: Simplify right side
    709,849,661.70x = 348,866,664,733,016,960
  5. Step 5: Solve for x
    x = 348,866,664,733,016,960/709,849,661.70
  6. Step 6: Final answer
    x = 491,465,564.55

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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.