Home / 751,362,867.04-1,036,449,964.40-468,614,421.72

Finding the Fourth Proportional to 751,362,867.04, 1,036,449,964.40 and 468,614,421.72

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Solution

The fourth proportional to 751,362,867.04, 1,036,449,964.40 and 468,614,421.72 is: 646,419,223.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,362,867.04 : 1,036,449,964.40 = 468,614,421.72 : x
  2. Step 2: Convert to fraction form
    751,362,867.04/1,036,449,964.40 = 468,614,421.72/x
  3. Step 3: Cross multiply
    751,362,867.04x = 1,036,449,964.40 × 468,614,421.72
  4. Step 4: Simplify right side
    751,362,867.04x = 485,695,400,709,020,608
  5. Step 5: Solve for x
    x = 485,695,400,709,020,608/751,362,867.04
  6. Step 6: Final answer
    x = 646,419,223.01

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Double scale
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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.