Home / 1,327,573,345.60-1,991,360,018.40-358,223,406.40

Finding the Fourth Proportional to 1,327,573,345.60, 1,991,360,018.40 and 358,223,406.40

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Solution

The fourth proportional to 1,327,573,345.60, 1,991,360,018.40 and 358,223,406.40 is: 537,335,109.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,573,345.60 : 1,991,360,018.40 = 358,223,406.40 : x
  2. Step 2: Convert to fraction form
    1,327,573,345.60/1,991,360,018.40 = 358,223,406.40/x
  3. Step 3: Cross multiply
    1,327,573,345.60x = 1,991,360,018.40 × 358,223,406.40
  4. Step 4: Simplify right side
    1,327,573,345.60x = 713,351,769,160,014,720
  5. Step 5: Solve for x
    x = 713,351,769,160,014,720/1,327,573,345.60
  6. Step 6: Final answer
    x = 537,335,109.60

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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.