Home / 469,617,381.76-648,113,054.16-260,814,344.80

Finding the Fourth Proportional to 469,617,381.76, 648,113,054.16 and 260,814,344.80

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Solution

The fourth proportional to 469,617,381.76, 648,113,054.16 and 260,814,344.80 is: 359,946,603.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,617,381.76 : 648,113,054.16 = 260,814,344.80 : x
  2. Step 2: Convert to fraction form
    469,617,381.76/648,113,054.16 = 260,814,344.80/x
  3. Step 3: Cross multiply
    469,617,381.76x = 648,113,054.16 × 260,814,344.80
  4. Step 4: Simplify right side
    469,617,381.76x = 169,037,181,577,067,328
  5. Step 5: Solve for x
    x = 169,037,181,577,067,328/469,617,381.76
  6. Step 6: Final answer
    x = 359,946,603.64

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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.