Home / 871,321,172.54-1,307,367,717.20-456,699,457.00

Finding the Fourth Proportional to 871,321,172.54, 1,307,367,717.20 and 456,699,457.00

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Solution

The fourth proportional to 871,321,172.54, 1,307,367,717.20 and 456,699,457.00 is: 685,251,484.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,321,172.54 : 1,307,367,717.20 = 456,699,457.00 : x
  2. Step 2: Convert to fraction form
    871,321,172.54/1,307,367,717.20 = 456,699,457.00/x
  3. Step 3: Cross multiply
    871,321,172.54x = 1,307,367,717.20 × 456,699,457.00
  4. Step 4: Simplify right side
    871,321,172.54x = 597,074,126,535,749,248
  5. Step 5: Solve for x
    x = 597,074,126,535,749,248/871,321,172.54
  6. Step 6: Final answer
    x = 685,251,484.01

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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.