Home / 989,930,815.50-1,484,886,768.93-601,860,787.50

Finding the Fourth Proportional to 989,930,815.50, 1,484,886,768.93 and 601,860,787.50

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Solution

The fourth proportional to 989,930,815.50, 1,484,886,768.93 and 601,860,787.50 is: 902,785,433.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,930,815.50 : 1,484,886,768.93 = 601,860,787.50 : x
  2. Step 2: Convert to fraction form
    989,930,815.50/1,484,886,768.93 = 601,860,787.50/x
  3. Step 3: Cross multiply
    989,930,815.50x = 1,484,886,768.93 × 601,860,787.50
  4. Step 4: Simplify right side
    989,930,815.50x = 893,695,120,096,540,416
  5. Step 5: Solve for x
    x = 893,695,120,096,540,416/989,930,815.50
  6. Step 6: Final answer
    x = 902,785,433.19

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1.5x scale

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.