Home / 384,739,796.80-577,109,695.20-112,119,457.60

Finding the Fourth Proportional to 384,739,796.80, 577,109,695.20 and 112,119,457.60

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Solution

The fourth proportional to 384,739,796.80, 577,109,695.20 and 112,119,457.60 is: 168,179,186.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,739,796.80 : 577,109,695.20 = 112,119,457.60 : x
  2. Step 2: Convert to fraction form
    384,739,796.80/577,109,695.20 = 112,119,457.60/x
  3. Step 3: Cross multiply
    384,739,796.80x = 577,109,695.20 × 112,119,457.60
  4. Step 4: Simplify right side
    384,739,796.80x = 64,705,226,001,525,328
  5. Step 5: Solve for x
    x = 64,705,226,001,525,328/384,739,796.80
  6. Step 6: Final answer
    x = 168,179,186.40

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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.