Home / 2,680,975,430.40-4,021,463,145.60-742,278,662.40

Finding the Fourth Proportional to 2,680,975,430.40, 4,021,463,145.60 and 742,278,662.40

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Solution

The fourth proportional to 2,680,975,430.40, 4,021,463,145.60 and 742,278,662.40 is: 1,113,417,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,975,430.40 : 4,021,463,145.60 = 742,278,662.40 : x
  2. Step 2: Convert to fraction form
    2,680,975,430.40/4,021,463,145.60 = 742,278,662.40/x
  3. Step 3: Cross multiply
    2,680,975,430.40x = 4,021,463,145.60 × 742,278,662.40
  4. Step 4: Simplify right side
    2,680,975,430.40x = 2,985,046,284,606,864,384
  5. Step 5: Solve for x
    x = 2,985,046,284,606,864,384/2,680,975,430.40
  6. Step 6: Final answer
    x = 1,113,417,993.60

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Double scale
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1.5x scale

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.