Home / 1,353,540,650.64-1,868,498,138.14-852,485,806.76

Finding the Fourth Proportional to 1,353,540,650.64, 1,868,498,138.14 and 852,485,806.76

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Solution

The fourth proportional to 1,353,540,650.64, 1,868,498,138.14 and 852,485,806.76 is: 1,176,815,888.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,540,650.64 : 1,868,498,138.14 = 852,485,806.76 : x
  2. Step 2: Convert to fraction form
    1,353,540,650.64/1,868,498,138.14 = 852,485,806.76/x
  3. Step 3: Cross multiply
    1,353,540,650.64x = 1,868,498,138.14 × 852,485,806.76
  4. Step 4: Simplify right side
    1,353,540,650.64x = 1,592,868,142,721,835,776
  5. Step 5: Solve for x
    x = 1,592,868,142,721,835,776/1,353,540,650.64
  6. Step 6: Final answer
    x = 1,176,815,888.00

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Double scale
Find fourth proportional to 1,353,540,651.64, 1,868,498,139.52 and 852,485,807.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.