Home / 403,169,940.80-604,866,885.60-173,249,172.80

Finding the Fourth Proportional to 403,169,940.80, 604,866,885.60 and 173,249,172.80

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Solution

The fourth proportional to 403,169,940.80, 604,866,885.60 and 173,249,172.80 is: 259,921,876.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,169,940.80 : 604,866,885.60 = 173,249,172.80 : x
  2. Step 2: Convert to fraction form
    403,169,940.80/604,866,885.60 = 173,249,172.80/x
  3. Step 3: Cross multiply
    403,169,940.80x = 604,866,885.60 × 173,249,172.80
  4. Step 4: Simplify right side
    403,169,940.80x = 104,792,687,584,312,240
  5. Step 5: Solve for x
    x = 104,792,687,584,312,240/403,169,940.80
  6. Step 6: Final answer
    x = 259,921,876.56

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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.