Home / 35,587,409,048.81-49,107,378,484.20-21,117,010,428.96

Finding the Fourth Proportional to 35,587,409,048.81, 49,107,378,484.20 and 21,117,010,428.96

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Solution

The fourth proportional to 35,587,409,048.81, 49,107,378,484.20 and 21,117,010,428.96 is: 29,139,548,264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,587,409,048.81 : 49,107,378,484.20 = 21,117,010,428.96 : x
  2. Step 2: Convert to fraction form
    35,587,409,048.81/49,107,378,484.20 = 21,117,010,428.96/x
  3. Step 3: Cross multiply
    35,587,409,048.81x = 49,107,378,484.20 × 21,117,010,428.96
  4. Step 4: Simplify right side
    35,587,409,048.81x = 1,037,001,023,589,737,168,896
  5. Step 5: Solve for x
    x = 1,037,001,023,589,737,168,896/35,587,409,048.81
  6. Step 6: Final answer
    x = 29,139,548,264.60

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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.