Home / 37,786,578,594.42-52,145,168,567.08-20,639,442,808.78

Finding the Fourth Proportional to 37,786,578,594.42, 52,145,168,567.08 and 20,639,442,808.78

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Solution

The fourth proportional to 37,786,578,594.42, 52,145,168,567.08 and 20,639,442,808.78 is: 28,482,261,809.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,786,578,594.42 : 52,145,168,567.08 = 20,639,442,808.78 : x
  2. Step 2: Convert to fraction form
    37,786,578,594.42/52,145,168,567.08 = 20,639,442,808.78/x
  3. Step 3: Cross multiply
    37,786,578,594.42x = 52,145,168,567.08 × 20,639,442,808.78
  4. Step 4: Simplify right side
    37,786,578,594.42x = 1,076,247,224,394,440,114,176
  5. Step 5: Solve for x
    x = 1,076,247,224,394,440,114,176/37,786,578,594.42
  6. Step 6: Final answer
    x = 28,482,261,809.05

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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.