Home / 898,678,202.40-1,348,017,303.60-381,020,551.20

Finding the Fourth Proportional to 898,678,202.40, 1,348,017,303.60 and 381,020,551.20

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Solution

The fourth proportional to 898,678,202.40, 1,348,017,303.60 and 381,020,551.20 is: 571,530,826.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,678,202.40 : 1,348,017,303.60 = 381,020,551.20 : x
  2. Step 2: Convert to fraction form
    898,678,202.40/1,348,017,303.60 = 381,020,551.20/x
  3. Step 3: Cross multiply
    898,678,202.40x = 1,348,017,303.60 × 381,020,551.20
  4. Step 4: Simplify right side
    898,678,202.40x = 513,622,296,044,809,664
  5. Step 5: Solve for x
    x = 513,622,296,044,809,664/898,678,202.40
  6. Step 6: Final answer
    x = 571,530,826.80

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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.