Home / 346,989,113.40-520,483,670.10-191,120,748.60

Finding the Fourth Proportional to 346,989,113.40, 520,483,670.10 and 191,120,748.60

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Solution

The fourth proportional to 346,989,113.40, 520,483,670.10 and 191,120,748.60 is: 286,681,122.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,989,113.40 : 520,483,670.10 = 191,120,748.60 : x
  2. Step 2: Convert to fraction form
    346,989,113.40/520,483,670.10 = 191,120,748.60/x
  3. Step 3: Cross multiply
    346,989,113.40x = 520,483,670.10 × 191,120,748.60
  4. Step 4: Simplify right side
    346,989,113.40x = 99,475,228,663,587,440
  5. Step 5: Solve for x
    x = 99,475,228,663,587,440/346,989,113.40
  6. Step 6: Final answer
    x = 286,681,122.90

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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.