Home / 3,940,742,457.15-5,438,221,041.54-2,224,452,950.81

Finding the Fourth Proportional to 3,940,742,457.15, 5,438,221,041.54 and 2,224,452,950.81

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Solution

The fourth proportional to 3,940,742,457.15, 5,438,221,041.54 and 2,224,452,950.81 is: 3,069,743,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,742,457.15 : 5,438,221,041.54 = 2,224,452,950.81 : x
  2. Step 2: Convert to fraction form
    3,940,742,457.15/5,438,221,041.54 = 2,224,452,950.81/x
  3. Step 3: Cross multiply
    3,940,742,457.15x = 5,438,221,041.54 × 2,224,452,950.81
  4. Step 4: Simplify right side
    3,940,742,457.15x = 12,097,066,842,983,491,584
  5. Step 5: Solve for x
    x = 12,097,066,842,983,491,584/3,940,742,457.15
  6. Step 6: Final answer
    x = 3,069,743,068.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.