Home / 497,666,965.60-746,500,448.40-489,604,808.80

Finding the Fourth Proportional to 497,666,965.60, 746,500,448.40 and 489,604,808.80

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Solution

The fourth proportional to 497,666,965.60, 746,500,448.40 and 489,604,808.80 is: 734,407,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,666,965.60 : 746,500,448.40 = 489,604,808.80 : x
  2. Step 2: Convert to fraction form
    497,666,965.60/746,500,448.40 = 489,604,808.80/x
  3. Step 3: Cross multiply
    497,666,965.60x = 746,500,448.40 × 489,604,808.80
  4. Step 4: Simplify right side
    497,666,965.60x = 365,490,209,307,996,288
  5. Step 5: Solve for x
    x = 365,490,209,307,996,288/497,666,965.60
  6. Step 6: Final answer
    x = 734,407,213.20

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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.