Home / 22,455,105,251.76-30,988,290,135.45-12,430,767,502.80

Finding the Fourth Proportional to 22,455,105,251.76, 30,988,290,135.45 and 12,430,767,502.80

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Solution

The fourth proportional to 22,455,105,251.76, 30,988,290,135.45 and 12,430,767,502.80 is: 17,154,594,719.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,455,105,251.76 : 30,988,290,135.45 = 12,430,767,502.80 : x
  2. Step 2: Convert to fraction form
    22,455,105,251.76/30,988,290,135.45 = 12,430,767,502.80/x
  3. Step 3: Cross multiply
    22,455,105,251.76x = 30,988,290,135.45 × 12,430,767,502.80
  4. Step 4: Simplify right side
    22,455,105,251.76x = 385,208,229,983,089,655,808
  5. Step 5: Solve for x
    x = 385,208,229,983,089,655,808/22,455,105,251.76
  6. Step 6: Final answer
    x = 17,154,594,719.74

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Double scale
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1.5x scale

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.