Home / 457,709,501.40-686,532,759.30-146,812,579.80

Finding the Fourth Proportional to 457,709,501.40, 686,532,759.30 and 146,812,579.80

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Solution

The fourth proportional to 457,709,501.40, 686,532,759.30 and 146,812,579.80 is: 220,208,768.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,709,501.40 : 686,532,759.30 = 146,812,579.80 : x
  2. Step 2: Convert to fraction form
    457,709,501.40/686,532,759.30 = 146,812,579.80/x
  3. Step 3: Cross multiply
    457,709,501.40x = 686,532,759.30 × 146,812,579.80
  4. Step 4: Simplify right side
    457,709,501.40x = 100,791,645,510,045,440
  5. Step 5: Solve for x
    x = 100,791,645,510,045,440/457,709,501.40
  6. Step 6: Final answer
    x = 220,208,768.23

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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.