Home / 830,207,677.63-1,245,626,035.40-498,446,370.06

Finding the Fourth Proportional to 830,207,677.63, 1,245,626,035.40 and 498,446,370.06

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Solution

The fourth proportional to 830,207,677.63, 1,245,626,035.40 and 498,446,370.06 is: 747,858,388.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,207,677.63 : 1,245,626,035.40 = 498,446,370.06 : x
  2. Step 2: Convert to fraction form
    830,207,677.63/1,245,626,035.40 = 498,446,370.06/x
  3. Step 3: Cross multiply
    830,207,677.63x = 1,245,626,035.40 × 498,446,370.06
  4. Step 4: Simplify right side
    830,207,677.63x = 620,877,775,804,459,648
  5. Step 5: Solve for x
    x = 620,877,775,804,459,648/830,207,677.63
  6. Step 6: Final answer
    x = 747,858,388.37

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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.