Home / 709,742,051.92-1,064,849,596.80-447,123,414.34

Finding the Fourth Proportional to 709,742,051.92, 1,064,849,596.80 and 447,123,414.34

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Solution

The fourth proportional to 709,742,051.92, 1,064,849,596.80 and 447,123,414.34 is: 670,834,123.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,742,051.92 : 1,064,849,596.80 = 447,123,414.34 : x
  2. Step 2: Convert to fraction form
    709,742,051.92/1,064,849,596.80 = 447,123,414.34/x
  3. Step 3: Cross multiply
    709,742,051.92x = 1,064,849,596.80 × 447,123,414.34
  4. Step 4: Simplify right side
    709,742,051.92x = 476,119,187,479,788,288
  5. Step 5: Solve for x
    x = 476,119,187,479,788,288/709,742,051.92
  6. Step 6: Final answer
    x = 670,834,123.74

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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.