Home / 621,696,000.40-932,544,000.60-190,818,509.20

Finding the Fourth Proportional to 621,696,000.40, 932,544,000.60 and 190,818,509.20

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Solution

The fourth proportional to 621,696,000.40, 932,544,000.60 and 190,818,509.20 is: 286,227,763.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,696,000.40 : 932,544,000.60 = 190,818,509.20 : x
  2. Step 2: Convert to fraction form
    621,696,000.40/932,544,000.60 = 190,818,509.20/x
  3. Step 3: Cross multiply
    621,696,000.40x = 932,544,000.60 × 190,818,509.20
  4. Step 4: Simplify right side
    621,696,000.40x = 177,946,655,957,895,904
  5. Step 5: Solve for x
    x = 177,946,655,957,895,904/621,696,000.40
  6. Step 6: Final answer
    x = 286,227,763.80

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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.