Home / 1,139,228,312.67-1,708,277,162.45-362,772,810.27

Finding the Fourth Proportional to 1,139,228,312.67, 1,708,277,162.45 and 362,772,810.27

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Solution

The fourth proportional to 1,139,228,312.67, 1,708,277,162.45 and 362,772,810.27 is: 543,979,200.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,228,312.67 : 1,708,277,162.45 = 362,772,810.27 : x
  2. Step 2: Convert to fraction form
    1,139,228,312.67/1,708,277,162.45 = 362,772,810.27/x
  3. Step 3: Cross multiply
    1,139,228,312.67x = 1,708,277,162.45 × 362,772,810.27
  4. Step 4: Simplify right side
    1,139,228,312.67x = 619,716,506,940,233,856
  5. Step 5: Solve for x
    x = 619,716,506,940,233,856/1,139,228,312.67
  6. Step 6: Final answer
    x = 543,979,200.70

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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.