Home / 1,209,334,762.96-1,668,775,528.55-673,445,933.92

Finding the Fourth Proportional to 1,209,334,762.96, 1,668,775,528.55 and 673,445,933.92

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Solution

The fourth proportional to 1,209,334,762.96, 1,668,775,528.55 and 673,445,933.92 is: 929,296,112.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,334,762.96 : 1,668,775,528.55 = 673,445,933.92 : x
  2. Step 2: Convert to fraction form
    1,209,334,762.96/1,668,775,528.55 = 673,445,933.92/x
  3. Step 3: Cross multiply
    1,209,334,762.96x = 1,668,775,528.55 × 673,445,933.92
  4. Step 4: Simplify right side
    1,209,334,762.96x = 1,123,830,094,327,196,288
  5. Step 5: Solve for x
    x = 1,123,830,094,327,196,288/1,209,334,762.96
  6. Step 6: Final answer
    x = 929,296,112.83

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Half scale
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Double scale
Find fourth proportional to 1,209,334,763.96, 1,668,775,529.93 and 673,445,934.92
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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.