Home / 1,374,578,683.35-1,896,981,048.36-810,087,389.43

Finding the Fourth Proportional to 1,374,578,683.35, 1,896,981,048.36 and 810,087,389.43

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Solution

The fourth proportional to 1,374,578,683.35, 1,896,981,048.36 and 810,087,389.43 is: 1,117,957,410.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,578,683.35 : 1,896,981,048.36 = 810,087,389.43 : x
  2. Step 2: Convert to fraction form
    1,374,578,683.35/1,896,981,048.36 = 810,087,389.43/x
  3. Step 3: Cross multiply
    1,374,578,683.35x = 1,896,981,048.36 × 810,087,389.43
  4. Step 4: Simplify right side
    1,374,578,683.35x = 1,536,720,425,264,136,704
  5. Step 5: Solve for x
    x = 1,536,720,425,264,136,704/1,374,578,683.35
  6. Step 6: Final answer
    x = 1,117,957,410.43

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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.