Home / 751,460,300.80-1,037,022,727.04-421,428,353.92

Finding the Fourth Proportional to 751,460,300.80, 1,037,022,727.04 and 421,428,353.92

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Solution

The fourth proportional to 751,460,300.80, 1,037,022,727.04 and 421,428,353.92 is: 581,575,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,460,300.80 : 1,037,022,727.04 = 421,428,353.92 : x
  2. Step 2: Convert to fraction form
    751,460,300.80/1,037,022,727.04 = 421,428,353.92/x
  3. Step 3: Cross multiply
    751,460,300.80x = 1,037,022,727.04 × 421,428,353.92
  4. Step 4: Simplify right side
    751,460,300.80x = 437,030,780,834,096,704
  5. Step 5: Solve for x
    x = 437,030,780,834,096,704/751,460,300.80
  6. Step 6: Final answer
    x = 581,575,341.20

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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.