Home / 12,974,365,973.04-17,905,320,239.04-7,258,309,411.38

Finding the Fourth Proportional to 12,974,365,973.04, 17,905,320,239.04 and 7,258,309,411.38

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Solution

The fourth proportional to 12,974,365,973.04, 17,905,320,239.04 and 7,258,309,411.38 is: 10,016,855,904.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974,365,973.04 : 17,905,320,239.04 = 7,258,309,411.38 : x
  2. Step 2: Convert to fraction form
    12,974,365,973.04/17,905,320,239.04 = 7,258,309,411.38/x
  3. Step 3: Cross multiply
    12,974,365,973.04x = 17,905,320,239.04 × 7,258,309,411.38
  4. Step 4: Simplify right side
    12,974,365,973.04x = 129,962,354,404,796,825,600
  5. Step 5: Solve for x
    x = 129,962,354,404,796,825,600/12,974,365,973.04
  6. Step 6: Final answer
    x = 10,016,855,904.55

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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.