Home / 756,680,701.80-1,135,021,052.70-347,736,852.30

Finding the Fourth Proportional to 756,680,701.80, 1,135,021,052.70 and 347,736,852.30

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Solution

The fourth proportional to 756,680,701.80, 1,135,021,052.70 and 347,736,852.30 is: 521,605,278.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,680,701.80 : 1,135,021,052.70 = 347,736,852.30 : x
  2. Step 2: Convert to fraction form
    756,680,701.80/1,135,021,052.70 = 347,736,852.30/x
  3. Step 3: Cross multiply
    756,680,701.80x = 1,135,021,052.70 × 347,736,852.30
  4. Step 4: Simplify right side
    756,680,701.80x = 394,688,648,160,130,432
  5. Step 5: Solve for x
    x = 394,688,648,160,130,432/756,680,701.80
  6. Step 6: Final answer
    x = 521,605,278.45

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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.