Home / 413,792,488.60-620,688,732.90-339,815,901.40

Finding the Fourth Proportional to 413,792,488.60, 620,688,732.90 and 339,815,901.40

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Solution

The fourth proportional to 413,792,488.60, 620,688,732.90 and 339,815,901.40 is: 509,723,852.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,792,488.60 : 620,688,732.90 = 339,815,901.40 : x
  2. Step 2: Convert to fraction form
    413,792,488.60/620,688,732.90 = 339,815,901.40/x
  3. Step 3: Cross multiply
    413,792,488.60x = 620,688,732.90 × 339,815,901.40
  4. Step 4: Simplify right side
    413,792,488.60x = 210,919,901,259,237,312
  5. Step 5: Solve for x
    x = 210,919,901,259,237,312/413,792,488.60
  6. Step 6: Final answer
    x = 509,723,852.10

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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.