Home / 12,717,971,741.16-19,079,802,856.83-3,875,502,643.20

Finding the Fourth Proportional to 12,717,971,741.16, 19,079,802,856.83 and 3,875,502,643.20

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Solution

The fourth proportional to 12,717,971,741.16, 19,079,802,856.83 and 3,875,502,643.20 is: 5,814,120,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,717,971,741.16 : 19,079,802,856.83 = 3,875,502,643.20 : x
  2. Step 2: Convert to fraction form
    12,717,971,741.16/19,079,802,856.83 = 3,875,502,643.20/x
  3. Step 3: Cross multiply
    12,717,971,741.16x = 19,079,802,856.83 × 3,875,502,643.20
  4. Step 4: Simplify right side
    12,717,971,741.16x = 73,943,826,403,409,870,848
  5. Step 5: Solve for x
    x = 73,943,826,403,409,870,848/12,717,971,741.16
  6. Step 6: Final answer
    x = 5,814,120,986.30

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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.