Home / 265,720,547.80-398,580,821.70-231,708,323.80

Finding the Fourth Proportional to 265,720,547.80, 398,580,821.70 and 231,708,323.80

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Solution

The fourth proportional to 265,720,547.80, 398,580,821.70 and 231,708,323.80 is: 347,562,485.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,720,547.80 : 398,580,821.70 = 231,708,323.80 : x
  2. Step 2: Convert to fraction form
    265,720,547.80/398,580,821.70 = 231,708,323.80/x
  3. Step 3: Cross multiply
    265,720,547.80x = 398,580,821.70 × 231,708,323.80
  4. Step 4: Simplify right side
    265,720,547.80x = 92,354,494,094,933,664
  5. Step 5: Solve for x
    x = 92,354,494,094,933,664/265,720,547.80
  6. Step 6: Final answer
    x = 347,562,485.70

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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.