Home / 1,019,583,540,484.80-1,407,018,128,167.60-556,610,579,002.85

Finding the Fourth Proportional to 1,019,583,540,484.80, 1,407,018,128,167.60 and 556,610,579,002.85

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Solution

The fourth proportional to 1,019,583,540,484.80, 1,407,018,128,167.60 and 556,610,579,002.85 is: 768,118,691,494.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,583,540,484.80 : 1,407,018,128,167.60 = 556,610,579,002.85 : x
  2. Step 2: Convert to fraction form
    1,019,583,540,484.80/1,407,018,128,167.60 = 556,610,579,002.85/x
  3. Step 3: Cross multiply
    1,019,583,540,484.80x = 1,407,018,128,167.60 × 556,610,579,002.85
  4. Step 4: Simplify right side
    1,019,583,540,484.80x = 783,161,174,986,874,094,092,288
  5. Step 5: Solve for x
    x = 783,161,174,986,874,094,092,288/1,019,583,540,484.80
  6. Step 6: Final answer
    x = 768,118,691,494.85

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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.