Home / 637,030,910.46-879,129,930.33-354,773,349.74

Finding the Fourth Proportional to 637,030,910.46, 879,129,930.33 and 354,773,349.74

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Solution

The fourth proportional to 637,030,910.46, 879,129,930.33 and 354,773,349.74 is: 489,602,411.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,030,910.46 : 879,129,930.33 = 354,773,349.74 : x
  2. Step 2: Convert to fraction form
    637,030,910.46/879,129,930.33 = 354,773,349.74/x
  3. Step 3: Cross multiply
    637,030,910.46x = 879,129,930.33 × 354,773,349.74
  4. Step 4: Simplify right side
    637,030,910.46x = 311,891,870,234,782,784
  5. Step 5: Solve for x
    x = 311,891,870,234,782,784/637,030,910.46
  6. Step 6: Final answer
    x = 489,602,411.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.