Home / 2,079,812,962.64-3,119,719,254.56-915,281,453.40

Finding the Fourth Proportional to 2,079,812,962.64, 3,119,719,254.56 and 915,281,453.40

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Solution

The fourth proportional to 2,079,812,962.64, 3,119,719,254.56 and 915,281,453.40 is: 1,372,922,096.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,812,962.64 : 3,119,719,254.56 = 915,281,453.40 : x
  2. Step 2: Convert to fraction form
    2,079,812,962.64/3,119,719,254.56 = 915,281,453.40/x
  3. Step 3: Cross multiply
    2,079,812,962.64x = 3,119,719,254.56 × 915,281,453.40
  4. Step 4: Simplify right side
    2,079,812,962.64x = 2,855,421,173,513,641,472
  5. Step 5: Solve for x
    x = 2,855,421,173,513,641,472/2,079,812,962.64
  6. Step 6: Final answer
    x = 1,372,922,096.75

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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.