Home / 743,146,864.70-1,113,983,985.32-348,968,072.35

Finding the Fourth Proportional to 743,146,864.70, 1,113,983,985.32 and 348,968,072.35

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Solution

The fourth proportional to 743,146,864.70, 1,113,983,985.32 and 348,968,072.35 is: 523,106,350.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,146,864.70 : 1,113,983,985.32 = 348,968,072.35 : x
  2. Step 2: Convert to fraction form
    743,146,864.70/1,113,983,985.32 = 348,968,072.35/x
  3. Step 3: Cross multiply
    743,146,864.70x = 1,113,983,985.32 × 348,968,072.35
  4. Step 4: Simplify right side
    743,146,864.70x = 388,744,843,988,155,968
  5. Step 5: Solve for x
    x = 388,744,843,988,155,968/743,146,864.70
  6. Step 6: Final answer
    x = 523,106,350.11

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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.