Home / 1,387,167,387.84-2,079,294,533.28-466,724,172.96

Finding the Fourth Proportional to 1,387,167,387.84, 2,079,294,533.28 and 466,724,172.96

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Solution

The fourth proportional to 1,387,167,387.84, 2,079,294,533.28 and 466,724,172.96 is: 699,596,191.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,167,387.84 : 2,079,294,533.28 = 466,724,172.96 : x
  2. Step 2: Convert to fraction form
    1,387,167,387.84/2,079,294,533.28 = 466,724,172.96/x
  3. Step 3: Cross multiply
    1,387,167,387.84x = 2,079,294,533.28 × 466,724,172.96
  4. Step 4: Simplify right side
    1,387,167,387.84x = 970,457,021,385,357,184
  5. Step 5: Solve for x
    x = 970,457,021,385,357,184/1,387,167,387.84
  6. Step 6: Final answer
    x = 699,596,191.41

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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.