Home / 20,648,156,119,208-28,507,317,370,548-13,143,761,139,090

Finding the Fourth Proportional to 20,648,156,119,208, 28,507,317,370,548 and 13,143,761,139,090

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Solution

The fourth proportional to 20,648,156,119,208, 28,507,317,370,548 and 13,143,761,139,090 is: 18,146,577,741,445.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,648,156,119,208 : 28,507,317,370,548 = 13,143,761,139,090 : x
  2. Step 2: Convert to fraction form
    20,648,156,119,208/28,507,317,370,548 = 13,143,761,139,090/x
  3. Step 3: Cross multiply
    20,648,156,119,208x = 28,507,317,370,548 × 13,143,761,139,090
  4. Step 4: Simplify right side
    20,648,156,119,208x = 374,693,370,234,714,100,974,223,360
  5. Step 5: Solve for x
    x = 374,693,370,234,714,100,974,223,360/20,648,156,119,208
  6. Step 6: Final answer
    x = 18,146,577,741,445.62

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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.