Home / 520,032,005.30-780,163,481.55-174,975,893.30

Finding the Fourth Proportional to 520,032,005.30, 780,163,481.55 and 174,975,893.30

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Solution

The fourth proportional to 520,032,005.30, 780,163,481.55 and 174,975,893.30 is: 262,502,693.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,032,005.30 : 780,163,481.55 = 174,975,893.30 : x
  2. Step 2: Convert to fraction form
    520,032,005.30/780,163,481.55 = 174,975,893.30/x
  3. Step 3: Cross multiply
    520,032,005.30x = 780,163,481.55 × 174,975,893.30
  4. Step 4: Simplify right side
    520,032,005.30x = 136,509,802,104,249,312
  5. Step 5: Solve for x
    x = 136,509,802,104,249,312/520,032,005.30
  6. Step 6: Final answer
    x = 262,502,693.51

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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.