Home / 664,308,047.40-996,462,071.10-354,371,656.20

Finding the Fourth Proportional to 664,308,047.40, 996,462,071.10 and 354,371,656.20

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Solution

The fourth proportional to 664,308,047.40, 996,462,071.10 and 354,371,656.20 is: 531,557,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,308,047.40 : 996,462,071.10 = 354,371,656.20 : x
  2. Step 2: Convert to fraction form
    664,308,047.40/996,462,071.10 = 354,371,656.20/x
  3. Step 3: Cross multiply
    664,308,047.40x = 996,462,071.10 × 354,371,656.20
  4. Step 4: Simplify right side
    664,308,047.40x = 353,117,914,476,189,184
  5. Step 5: Solve for x
    x = 353,117,914,476,189,184/664,308,047.40
  6. Step 6: Final answer
    x = 531,557,484.30

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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.