Home / 709,645,640.40-1,064,468,460.60-700,090,491.60

Finding the Fourth Proportional to 709,645,640.40, 1,064,468,460.60 and 700,090,491.60

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Solution

The fourth proportional to 709,645,640.40, 1,064,468,460.60 and 700,090,491.60 is: 1,050,135,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,645,640.40 : 1,064,468,460.60 = 700,090,491.60 : x
  2. Step 2: Convert to fraction form
    709,645,640.40/1,064,468,460.60 = 700,090,491.60/x
  3. Step 3: Cross multiply
    709,645,640.40x = 1,064,468,460.60 × 700,090,491.60
  4. Step 4: Simplify right side
    709,645,640.40x = 745,224,247,874,149,248
  5. Step 5: Solve for x
    x = 745,224,247,874,149,248/709,645,640.40
  6. Step 6: Final answer
    x = 1,050,135,737.40

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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.