Home / 989,930,816.50-1,484,886,770.43-601,860,788.50

Finding the Fourth Proportional to 989,930,816.50, 1,484,886,770.43 and 601,860,788.50

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Solution

The fourth proportional to 989,930,816.50, 1,484,886,770.43 and 601,860,788.50 is: 902,785,434.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,930,816.50 : 1,484,886,770.43 = 601,860,788.50 : x
  2. Step 2: Convert to fraction form
    989,930,816.50/1,484,886,770.43 = 601,860,788.50/x
  3. Step 3: Cross multiply
    989,930,816.50x = 1,484,886,770.43 × 601,860,788.50
  4. Step 4: Simplify right side
    989,930,816.50x = 893,695,122,484,218,368
  5. Step 5: Solve for x
    x = 893,695,122,484,218,368/989,930,816.50
  6. Step 6: Final answer
    x = 902,785,434.69

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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.