Home / 1,091,499,000.48-1,638,097,521.72-761,832,864.24

Finding the Fourth Proportional to 1,091,499,000.48, 1,638,097,521.72 and 761,832,864.24

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Solution

The fourth proportional to 1,091,499,000.48, 1,638,097,521.72 and 761,832,864.24 is: 1,143,341,887.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,499,000.48 : 1,638,097,521.72 = 761,832,864.24 : x
  2. Step 2: Convert to fraction form
    1,091,499,000.48/1,638,097,521.72 = 761,832,864.24/x
  3. Step 3: Cross multiply
    1,091,499,000.48x = 1,638,097,521.72 × 761,832,864.24
  4. Step 4: Simplify right side
    1,091,499,000.48x = 1,247,956,526,876,393,216
  5. Step 5: Solve for x
    x = 1,247,956,526,876,393,216/1,091,499,000.48
  6. Step 6: Final answer
    x = 1,143,341,887.01

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1.5x scale

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.