Home / 886,465,817.40-1,329,698,726.10-838,848,703.80

Finding the Fourth Proportional to 886,465,817.40, 1,329,698,726.10 and 838,848,703.80

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Solution

The fourth proportional to 886,465,817.40, 1,329,698,726.10 and 838,848,703.80 is: 1,258,273,055.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,465,817.40 : 1,329,698,726.10 = 838,848,703.80 : x
  2. Step 2: Convert to fraction form
    886,465,817.40/1,329,698,726.10 = 838,848,703.80/x
  3. Step 3: Cross multiply
    886,465,817.40x = 1,329,698,726.10 × 838,848,703.80
  4. Step 4: Simplify right side
    886,465,817.40x = 1,115,416,052,833,496,064
  5. Step 5: Solve for x
    x = 1,115,416,052,833,496,064/886,465,817.40
  6. Step 6: Final answer
    x = 1,258,273,055.70

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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.