Home / 384,914,013.60-577,371,020.40-262,470,007.20

Finding the Fourth Proportional to 384,914,013.60, 577,371,020.40 and 262,470,007.20

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Solution

The fourth proportional to 384,914,013.60, 577,371,020.40 and 262,470,007.20 is: 393,705,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,914,013.60 : 577,371,020.40 = 262,470,007.20 : x
  2. Step 2: Convert to fraction form
    384,914,013.60/577,371,020.40 = 262,470,007.20/x
  3. Step 3: Cross multiply
    384,914,013.60x = 577,371,020.40 × 262,470,007.20
  4. Step 4: Simplify right side
    384,914,013.60x = 151,542,575,881,459,328
  5. Step 5: Solve for x
    x = 151,542,575,881,459,328/384,914,013.60
  6. Step 6: Final answer
    x = 393,705,010.80

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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.