Home / 1,101,389,263.04-1,520,026,977.12-822,446,510.72

Finding the Fourth Proportional to 1,101,389,263.04, 1,520,026,977.12 and 822,446,510.72

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Solution

The fourth proportional to 1,101,389,263.04, 1,520,026,977.12 and 822,446,510.72 is: 1,135,058,171.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,389,263.04 : 1,520,026,977.12 = 822,446,510.72 : x
  2. Step 2: Convert to fraction form
    1,101,389,263.04/1,520,026,977.12 = 822,446,510.72/x
  3. Step 3: Cross multiply
    1,101,389,263.04x = 1,520,026,977.12 × 822,446,510.72
  4. Step 4: Simplify right side
    1,101,389,263.04x = 1,250,140,883,532,613,120
  5. Step 5: Solve for x
    x = 1,250,140,883,532,613,120/1,101,389,263.04
  6. Step 6: Final answer
    x = 1,135,058,171.97

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Double scale
Find fourth proportional to 1,101,389,264.04, 1,520,026,978.50 and 822,446,511.72
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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.