Home / 82,509,088,780.58-123,763,478,700.42-25,853,289,058.68

Finding the Fourth Proportional to 82,509,088,780.58, 123,763,478,700.42 and 25,853,289,058.68

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Solution

The fourth proportional to 82,509,088,780.58, 123,763,478,700.42 and 25,853,289,058.68 is: 38,779,885,186.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,509,088,780.58 : 123,763,478,700.42 = 25,853,289,058.68 : x
  2. Step 2: Convert to fraction form
    82,509,088,780.58/123,763,478,700.42 = 25,853,289,058.68/x
  3. Step 3: Cross multiply
    82,509,088,780.58x = 123,763,478,700.42 × 25,853,289,058.68
  4. Step 4: Simplify right side
    82,509,088,780.58x = 3,199,692,989,749,743,583,232
  5. Step 5: Solve for x
    x = 3,199,692,989,749,743,583,232/82,509,088,780.58
  6. Step 6: Final answer
    x = 38,779,885,186.45

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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.