Home / 1,493,406,293.70-2,238,196,252.95-1,328,872,160.10

Finding the Fourth Proportional to 1,493,406,293.70, 2,238,196,252.95 and 1,328,872,160.10

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Solution

The fourth proportional to 1,493,406,293.70, 2,238,196,252.95 and 1,328,872,160.10 is: 1,991,605,835.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,406,293.70 : 2,238,196,252.95 = 1,328,872,160.10 : x
  2. Step 2: Convert to fraction form
    1,493,406,293.70/2,238,196,252.95 = 1,328,872,160.10/x
  3. Step 3: Cross multiply
    1,493,406,293.70x = 2,238,196,252.95 × 1,328,872,160.10
  4. Step 4: Simplify right side
    1,493,406,293.70x = 2,974,276,689,385,392,128
  5. Step 5: Solve for x
    x = 2,974,276,689,385,392,128/1,493,406,293.70
  6. Step 6: Final answer
    x = 1,991,605,835.55

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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.