Home / 1,292,082,205.91-1,783,064,374.22-705,371,341.91

Finding the Fourth Proportional to 1,292,082,205.91, 1,783,064,374.22 and 705,371,341.91

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Solution

The fourth proportional to 1,292,082,205.91, 1,783,064,374.22 and 705,371,341.91 is: 973,407,500.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,082,205.91 : 1,783,064,374.22 = 705,371,341.91 : x
  2. Step 2: Convert to fraction form
    1,292,082,205.91/1,783,064,374.22 = 705,371,341.91/x
  3. Step 3: Cross multiply
    1,292,082,205.91x = 1,783,064,374.22 × 705,371,341.91
  4. Step 4: Simplify right side
    1,292,082,205.91x = 1,257,722,510,348,323,840
  5. Step 5: Solve for x
    x = 1,257,722,510,348,323,840/1,292,082,205.91
  6. Step 6: Final answer
    x = 973,407,500.39

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Double scale
Find fourth proportional to 1,292,082,206.91, 1,783,064,375.60 and 705,371,342.91
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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.