Home / 19,840,567,300.66-29,765,160,418.47-7,249,405,518.51

Finding the Fourth Proportional to 19,840,567,300.66, 29,765,160,418.47 and 7,249,405,518.51

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Solution

The fourth proportional to 19,840,567,300.66, 29,765,160,418.47 and 7,249,405,518.51 is: 10,875,682,883.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,840,567,300.66 : 29,765,160,418.47 = 7,249,405,518.51 : x
  2. Step 2: Convert to fraction form
    19,840,567,300.66/29,765,160,418.47 = 7,249,405,518.51/x
  3. Step 3: Cross multiply
    19,840,567,300.66x = 29,765,160,418.47 × 7,249,405,518.51
  4. Step 4: Simplify right side
    19,840,567,300.66x = 215,779,718,196,991,852,544
  5. Step 5: Solve for x
    x = 215,779,718,196,991,852,544/19,840,567,300.66
  6. Step 6: Final answer
    x = 10,875,682,883.82

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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.