Home / 413,792,485.10-620,688,727.65-339,815,897.90

Finding the Fourth Proportional to 413,792,485.10, 620,688,727.65 and 339,815,897.90

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Solution

The fourth proportional to 413,792,485.10, 620,688,727.65 and 339,815,897.90 is: 509,723,846.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,792,485.10 : 620,688,727.65 = 339,815,897.90 : x
  2. Step 2: Convert to fraction form
    413,792,485.10/620,688,727.65 = 339,815,897.90/x
  3. Step 3: Cross multiply
    413,792,485.10x = 620,688,727.65 × 339,815,897.90
  4. Step 4: Simplify right side
    413,792,485.10x = 210,919,897,302,793,280
  5. Step 5: Solve for x
    x = 210,919,897,302,793,280/413,792,485.10
  6. Step 6: Final answer
    x = 509,723,846.85

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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.