Home / 545,076,176.80-817,785,779.32-195,083,634.68

Finding the Fourth Proportional to 545,076,176.80, 817,785,779.32 and 195,083,634.68

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Solution

The fourth proportional to 545,076,176.80, 817,785,779.32 and 195,083,634.68 is: 292,686,837.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,076,176.80 : 817,785,779.32 = 195,083,634.68 : x
  2. Step 2: Convert to fraction form
    545,076,176.80/817,785,779.32 = 195,083,634.68/x
  3. Step 3: Cross multiply
    545,076,176.80x = 817,785,779.32 × 195,083,634.68
  4. Step 4: Simplify right side
    545,076,176.80x = 159,536,622,219,361,984
  5. Step 5: Solve for x
    x = 159,536,622,219,361,984/545,076,176.80
  6. Step 6: Final answer
    x = 292,686,837.20

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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.