Home / 806,444,051.40-1,209,666,077.10-419,023,562.40

Finding the Fourth Proportional to 806,444,051.40, 1,209,666,077.10 and 419,023,562.40

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Solution

The fourth proportional to 806,444,051.40, 1,209,666,077.10 and 419,023,562.40 is: 628,535,343.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,444,051.40 : 1,209,666,077.10 = 419,023,562.40 : x
  2. Step 2: Convert to fraction form
    806,444,051.40/1,209,666,077.10 = 419,023,562.40/x
  3. Step 3: Cross multiply
    806,444,051.40x = 1,209,666,077.10 × 419,023,562.40
  4. Step 4: Simplify right side
    806,444,051.40x = 506,878,588,940,875,008
  5. Step 5: Solve for x
    x = 506,878,588,940,875,008/806,444,051.40
  6. Step 6: Final answer
    x = 628,535,343.60

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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.