Home / 383,716,820.40-575,575,230.60-358,018,695.60

Finding the Fourth Proportional to 383,716,820.40, 575,575,230.60 and 358,018,695.60

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Solution

The fourth proportional to 383,716,820.40, 575,575,230.60 and 358,018,695.60 is: 537,028,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,716,820.40 : 575,575,230.60 = 358,018,695.60 : x
  2. Step 2: Convert to fraction form
    383,716,820.40/575,575,230.60 = 358,018,695.60/x
  3. Step 3: Cross multiply
    383,716,820.40x = 575,575,230.60 × 358,018,695.60
  4. Step 4: Simplify right side
    383,716,820.40x = 206,066,693,279,081,216
  5. Step 5: Solve for x
    x = 206,066,693,279,081,216/383,716,820.40
  6. Step 6: Final answer
    x = 537,028,043.40

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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.