Home / 409,898,385.60-614,847,578.40-370,359,175.20

Finding the Fourth Proportional to 409,898,385.60, 614,847,578.40 and 370,359,175.20

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Solution

The fourth proportional to 409,898,385.60, 614,847,578.40 and 370,359,175.20 is: 555,538,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,898,385.60 : 614,847,578.40 = 370,359,175.20 : x
  2. Step 2: Convert to fraction form
    409,898,385.60/614,847,578.40 = 370,359,175.20/x
  3. Step 3: Cross multiply
    409,898,385.60x = 614,847,578.40 × 370,359,175.20
  4. Step 4: Simplify right side
    409,898,385.60x = 227,714,442,009,941,312
  5. Step 5: Solve for x
    x = 227,714,442,009,941,312/409,898,385.60
  6. Step 6: Final answer
    x = 555,538,762.80

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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.