Home / 1,174,991,628.08-1,762,113,515.48-387,898,729.31

Finding the Fourth Proportional to 1,174,991,628.08, 1,762,113,515.48 and 387,898,729.31

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Solution

The fourth proportional to 1,174,991,628.08, 1,762,113,515.48 and 387,898,729.31 is: 581,724,649.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,991,628.08 : 1,762,113,515.48 = 387,898,729.31 : x
  2. Step 2: Convert to fraction form
    1,174,991,628.08/1,762,113,515.48 = 387,898,729.31/x
  3. Step 3: Cross multiply
    1,174,991,628.08x = 1,762,113,515.48 × 387,898,729.31
  4. Step 4: Simplify right side
    1,174,991,628.08x = 683,521,593,552,729,472
  5. Step 5: Solve for x
    x = 683,521,593,552,729,472/1,174,991,628.08
  6. Step 6: Final answer
    x = 581,724,649.96

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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.