Home / 20,837,803,551.60-31,256,705,327.40-12,021,835,090.80

Finding the Fourth Proportional to 20,837,803,551.60, 31,256,705,327.40 and 12,021,835,090.80

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Solution

The fourth proportional to 20,837,803,551.60, 31,256,705,327.40 and 12,021,835,090.80 is: 18,032,752,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,837,803,551.60 : 31,256,705,327.40 = 12,021,835,090.80 : x
  2. Step 2: Convert to fraction form
    20,837,803,551.60/31,256,705,327.40 = 12,021,835,090.80/x
  3. Step 3: Cross multiply
    20,837,803,551.60x = 31,256,705,327.40 × 12,021,835,090.80
  4. Step 4: Simplify right side
    20,837,803,551.60x = 375,762,956,927,732,613,120
  5. Step 5: Solve for x
    x = 375,762,956,927,732,613,120/20,837,803,551.60
  6. Step 6: Final answer
    x = 18,032,752,636.20

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1.5x scale

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.