Home / 613,804,552.20-920,706,828.30-368,916,539.40

Finding the Fourth Proportional to 613,804,552.20, 920,706,828.30 and 368,916,539.40

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Solution

The fourth proportional to 613,804,552.20, 920,706,828.30 and 368,916,539.40 is: 553,374,809.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,804,552.20 : 920,706,828.30 = 368,916,539.40 : x
  2. Step 2: Convert to fraction form
    613,804,552.20/920,706,828.30 = 368,916,539.40/x
  3. Step 3: Cross multiply
    613,804,552.20x = 920,706,828.30 × 368,916,539.40
  4. Step 4: Simplify right side
    613,804,552.20x = 339,663,976,898,385,920
  5. Step 5: Solve for x
    x = 339,663,976,898,385,920/613,804,552.20
  6. Step 6: Final answer
    x = 553,374,809.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.