Home / 719,566,200.33-993,001,688.70-389,541,339.33

Finding the Fourth Proportional to 719,566,200.33, 993,001,688.70 and 389,541,339.33

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Solution

The fourth proportional to 719,566,200.33, 993,001,688.70 and 389,541,339.33 is: 537,567,228.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,566,200.33 : 993,001,688.70 = 389,541,339.33 : x
  2. Step 2: Convert to fraction form
    719,566,200.33/993,001,688.70 = 389,541,339.33/x
  3. Step 3: Cross multiply
    719,566,200.33x = 993,001,688.70 × 389,541,339.33
  4. Step 4: Simplify right side
    719,566,200.33x = 386,815,207,771,202,048
  5. Step 5: Solve for x
    x = 386,815,207,771,202,048/719,566,200.33
  6. Step 6: Final answer
    x = 537,567,228.14

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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.