Home / 1,209,334,761.96-1,668,775,527.17-673,445,932.92

Finding the Fourth Proportional to 1,209,334,761.96, 1,668,775,527.17 and 673,445,932.92

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Solution

The fourth proportional to 1,209,334,761.96, 1,668,775,527.17 and 673,445,932.92 is: 929,296,111.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,334,761.96 : 1,668,775,527.17 = 673,445,932.92 : x
  2. Step 2: Convert to fraction form
    1,209,334,761.96/1,668,775,527.17 = 673,445,932.92/x
  3. Step 3: Cross multiply
    1,209,334,761.96x = 1,668,775,527.17 × 673,445,932.92
  4. Step 4: Simplify right side
    1,209,334,761.96x = 1,123,830,091,728,189,952
  5. Step 5: Solve for x
    x = 1,123,830,091,728,189,952/1,209,334,761.96
  6. Step 6: Final answer
    x = 929,296,111.45

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Half scale
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Double scale
Find fourth proportional to 1,209,334,762.96, 1,668,775,528.55 and 673,445,933.92
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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.