Home / 3,878,574,776.51-5,818,679,250.24-1,258,174,274.63

Finding the Fourth Proportional to 3,878,574,776.51, 5,818,679,250.24 and 1,258,174,274.63

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Solution

The fourth proportional to 3,878,574,776.51, 5,818,679,250.24 and 1,258,174,274.63 is: 1,887,526,467.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,574,776.51 : 5,818,679,250.24 = 1,258,174,274.63 : x
  2. Step 2: Convert to fraction form
    3,878,574,776.51/5,818,679,250.24 = 1,258,174,274.63/x
  3. Step 3: Cross multiply
    3,878,574,776.51x = 5,818,679,250.24 × 1,258,174,274.63
  4. Step 4: Simplify right side
    3,878,574,776.51x = 7,320,912,544,946,250,752
  5. Step 5: Solve for x
    x = 7,320,912,544,946,250,752/3,878,574,776.51
  6. Step 6: Final answer
    x = 1,887,526,467.01

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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.