Home / 658,030,430.76-908,179,457.38-416,648,841.96

Finding the Fourth Proportional to 658,030,430.76, 908,179,457.38 and 416,648,841.96

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Solution

The fourth proportional to 658,030,430.76, 908,179,457.38 and 416,648,841.96 is: 575,037,113.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,030,430.76 : 908,179,457.38 = 416,648,841.96 : x
  2. Step 2: Convert to fraction form
    658,030,430.76/908,179,457.38 = 416,648,841.96/x
  3. Step 3: Cross multiply
    658,030,430.76x = 908,179,457.38 × 416,648,841.96
  4. Step 4: Simplify right side
    658,030,430.76x = 378,391,919,209,238,144
  5. Step 5: Solve for x
    x = 378,391,919,209,238,144/658,030,430.76
  6. Step 6: Final answer
    x = 575,037,113.06

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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.