Home / 712,200,176.70-1,068,300,265.05-440,102,384.70

Finding the Fourth Proportional to 712,200,176.70, 1,068,300,265.05 and 440,102,384.70

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Solution

The fourth proportional to 712,200,176.70, 1,068,300,265.05 and 440,102,384.70 is: 660,153,577.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,200,176.70 : 1,068,300,265.05 = 440,102,384.70 : x
  2. Step 2: Convert to fraction form
    712,200,176.70/1,068,300,265.05 = 440,102,384.70/x
  3. Step 3: Cross multiply
    712,200,176.70x = 1,068,300,265.05 × 440,102,384.70
  4. Step 4: Simplify right side
    712,200,176.70x = 470,161,494,224,147,008
  5. Step 5: Solve for x
    x = 470,161,494,224,147,008/712,200,176.70
  6. Step 6: Final answer
    x = 660,153,577.05

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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.