Home / 5,169,169,128.29-7,756,009,013.95-1,810,150,977.93

Finding the Fourth Proportional to 5,169,169,128.29, 7,756,009,013.95 and 1,810,150,977.93

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Solution

The fourth proportional to 5,169,169,128.29, 7,756,009,013.95 and 1,810,150,977.93 is: 2,716,016,240.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169,169,128.29 : 7,756,009,013.95 = 1,810,150,977.93 : x
  2. Step 2: Convert to fraction form
    5,169,169,128.29/7,756,009,013.95 = 1,810,150,977.93/x
  3. Step 3: Cross multiply
    5,169,169,128.29x = 7,756,009,013.95 × 1,810,150,977.93
  4. Step 4: Simplify right side
    5,169,169,128.29x = 14,039,547,301,459,660,800
  5. Step 5: Solve for x
    x = 14,039,547,301,459,660,800/5,169,169,128.29
  6. Step 6: Final answer
    x = 2,716,016,240.33

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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.