Home / 779,189,785.18-1,075,299,301.62-444,655,647.29

Finding the Fourth Proportional to 779,189,785.18, 1,075,299,301.62 and 444,655,647.29

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Solution

The fourth proportional to 779,189,785.18, 1,075,299,301.62 and 444,655,647.29 is: 613,634,721.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,189,785.18 : 1,075,299,301.62 = 444,655,647.29 : x
  2. Step 2: Convert to fraction form
    779,189,785.18/1,075,299,301.62 = 444,655,647.29/x
  3. Step 3: Cross multiply
    779,189,785.18x = 1,075,299,301.62 × 444,655,647.29
  4. Step 4: Simplify right side
    779,189,785.18x = 478,137,906,995,014,272
  5. Step 5: Solve for x
    x = 478,137,906,995,014,272/779,189,785.18
  6. Step 6: Final answer
    x = 613,634,721.72

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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.