Home / 425,596,360.73-638,371,830.31-114,698,988.60

Finding the Fourth Proportional to 425,596,360.73, 638,371,830.31 and 114,698,988.60

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Solution

The fourth proportional to 425,596,360.73, 638,371,830.31 and 114,698,988.60 is: 172,042,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,596,360.73 : 638,371,830.31 = 114,698,988.60 : x
  2. Step 2: Convert to fraction form
    425,596,360.73/638,371,830.31 = 114,698,988.60/x
  3. Step 3: Cross multiply
    425,596,360.73x = 638,371,830.31 × 114,698,988.60
  4. Step 4: Simplify right side
    425,596,360.73x = 73,220,603,284,607,184
  5. Step 5: Solve for x
    x = 73,220,603,284,607,184/425,596,360.73
  6. Step 6: Final answer
    x = 172,042,362.30

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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.