Home / 539,076,076.04-808,703,462.43-189,231,371.72

Finding the Fourth Proportional to 539,076,076.04, 808,703,462.43 and 189,231,371.72

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Solution

The fourth proportional to 539,076,076.04, 808,703,462.43 and 189,231,371.72 is: 283,878,421.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,076,076.04 : 808,703,462.43 = 189,231,371.72 : x
  2. Step 2: Convert to fraction form
    539,076,076.04/808,703,462.43 = 189,231,371.72/x
  3. Step 3: Cross multiply
    539,076,076.04x = 808,703,462.43 × 189,231,371.72
  4. Step 4: Simplify right side
    539,076,076.04x = 153,032,065,509,331,488
  5. Step 5: Solve for x
    x = 153,032,065,509,331,488/539,076,076.04
  6. Step 6: Final answer
    x = 283,878,421.45

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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.