Home / 587,414,489.60-881,457,657.60-405,792,012.80

Finding the Fourth Proportional to 587,414,489.60, 881,457,657.60 and 405,792,012.80

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Solution

The fourth proportional to 587,414,489.60, 881,457,657.60 and 405,792,012.80 is: 608,920,078.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,414,489.60 : 881,457,657.60 = 405,792,012.80 : x
  2. Step 2: Convert to fraction form
    587,414,489.60/881,457,657.60 = 405,792,012.80/x
  3. Step 3: Cross multiply
    587,414,489.60x = 881,457,657.60 × 405,792,012.80
  4. Step 4: Simplify right side
    587,414,489.60x = 357,688,477,075,477,248
  5. Step 5: Solve for x
    x = 357,688,477,075,477,248/587,414,489.60
  6. Step 6: Final answer
    x = 608,920,078.43

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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.