Home / 346,989,134.40-520,483,701.60-191,120,769.60

Finding the Fourth Proportional to 346,989,134.40, 520,483,701.60 and 191,120,769.60

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Solution

The fourth proportional to 346,989,134.40, 520,483,701.60 and 191,120,769.60 is: 286,681,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,989,134.40 : 520,483,701.60 = 191,120,769.60 : x
  2. Step 2: Convert to fraction form
    346,989,134.40/520,483,701.60 = 191,120,769.60/x
  3. Step 3: Cross multiply
    346,989,134.40x = 520,483,701.60 × 191,120,769.60
  4. Step 4: Simplify right side
    346,989,134.40x = 99,475,245,614,048,752
  5. Step 5: Solve for x
    x = 99,475,245,614,048,752/346,989,134.40
  6. Step 6: Final answer
    x = 286,681,154.40

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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.