Home / 3,657,102,661.47-5,046,715,830.86-2,151,826,510.89

Finding the Fourth Proportional to 3,657,102,661.47, 5,046,715,830.86 and 2,151,826,510.89

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Solution

The fourth proportional to 3,657,102,661.47, 5,046,715,830.86 and 2,151,826,510.89 is: 2,969,470,075.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657,102,661.47 : 5,046,715,830.86 = 2,151,826,510.89 : x
  2. Step 2: Convert to fraction form
    3,657,102,661.47/5,046,715,830.86 = 2,151,826,510.89/x
  3. Step 3: Cross multiply
    3,657,102,661.47x = 5,046,715,830.86 × 2,151,826,510.89
  4. Step 4: Simplify right side
    3,657,102,661.47x = 10,859,656,917,801,660,416
  5. Step 5: Solve for x
    x = 10,859,656,917,801,660,416/3,657,102,661.47
  6. Step 6: Final answer
    x = 2,969,470,075.92

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Double scale
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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.