Home / 1,300,665,938.23-1,794,920,323.13-705,950,545.15

Finding the Fourth Proportional to 1,300,665,938.23, 1,794,920,323.13 and 705,950,545.15

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Solution

The fourth proportional to 1,300,665,938.23, 1,794,920,323.13 and 705,950,545.15 is: 974,212,473.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,665,938.23 : 1,794,920,323.13 = 705,950,545.15 : x
  2. Step 2: Convert to fraction form
    1,300,665,938.23/1,794,920,323.13 = 705,950,545.15/x
  3. Step 3: Cross multiply
    1,300,665,938.23x = 1,794,920,323.13 × 705,950,545.15
  4. Step 4: Simplify right side
    1,300,665,938.23x = 1,267,124,980,610,907,904
  5. Step 5: Solve for x
    x = 1,267,124,980,610,907,904/1,300,665,938.23
  6. Step 6: Final answer
    x = 974,212,473.29

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.