Home / 817,457,868.81-1,226,728,364.64-449,249,956.11

Finding the Fourth Proportional to 817,457,868.81, 1,226,728,364.64 and 449,249,956.11

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Solution

The fourth proportional to 817,457,868.81, 1,226,728,364.64 and 449,249,956.11 is: 674,172,559.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,457,868.81 : 1,226,728,364.64 = 449,249,956.11 : x
  2. Step 2: Convert to fraction form
    817,457,868.81/1,226,728,364.64 = 449,249,956.11/x
  3. Step 3: Cross multiply
    817,457,868.81x = 1,226,728,364.64 × 449,249,956.11
  4. Step 4: Simplify right side
    817,457,868.81x = 551,107,663,973,412,160
  5. Step 5: Solve for x
    x = 551,107,663,973,412,160/817,457,868.81
  6. Step 6: Final answer
    x = 674,172,559.84

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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.