Home / 346,989,079.40-520,483,619.10-191,120,714.60

Finding the Fourth Proportional to 346,989,079.40, 520,483,619.10 and 191,120,714.60

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Solution

The fourth proportional to 346,989,079.40, 520,483,619.10 and 191,120,714.60 is: 286,681,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,989,079.40 : 520,483,619.10 = 191,120,714.60 : x
  2. Step 2: Convert to fraction form
    346,989,079.40/520,483,619.10 = 191,120,714.60/x
  3. Step 3: Cross multiply
    346,989,079.40x = 520,483,619.10 × 191,120,714.60
  4. Step 4: Simplify right side
    346,989,079.40x = 99,475,201,219,986,208
  5. Step 5: Solve for x
    x = 99,475,201,219,986,208/346,989,079.40
  6. Step 6: Final answer
    x = 286,681,071.90

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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.