Home / 489,966,217.40-735,799,631.70-260,383,705.40

Finding the Fourth Proportional to 489,966,217.40, 735,799,631.70 and 260,383,705.40

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Solution

The fourth proportional to 489,966,217.40, 735,799,631.70 and 260,383,705.40 is: 391,027,437.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,966,217.40 : 735,799,631.70 = 260,383,705.40 : x
  2. Step 2: Convert to fraction form
    489,966,217.40/735,799,631.70 = 260,383,705.40/x
  3. Step 3: Cross multiply
    489,966,217.40x = 735,799,631.70 × 260,383,705.40
  4. Step 4: Simplify right side
    489,966,217.40x = 191,590,234,534,001,312
  5. Step 5: Solve for x
    x = 191,590,234,534,001,312/489,966,217.40
  6. Step 6: Final answer
    x = 391,027,437.67

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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.