Home / 501,740,805.50-692,421,982.98-343,303,245.80

Finding the Fourth Proportional to 501,740,805.50, 692,421,982.98 and 343,303,245.80

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Solution

The fourth proportional to 501,740,805.50, 692,421,982.98 and 343,303,245.80 is: 473,771,938.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,740,805.50 : 692,421,982.98 = 343,303,245.80 : x
  2. Step 2: Convert to fraction form
    501,740,805.50/692,421,982.98 = 343,303,245.80/x
  3. Step 3: Cross multiply
    501,740,805.50x = 692,421,982.98 × 343,303,245.80
  4. Step 4: Simplify right side
    501,740,805.50x = 237,710,714,220,306,368
  5. Step 5: Solve for x
    x = 237,710,714,220,306,368/501,740,805.50
  6. Step 6: Final answer
    x = 473,771,938.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.