Home / 256,175,996,621.08-384,186,630,408.02-77,054,433,342.88

Finding the Fourth Proportional to 256,175,996,621.08, 384,186,630,408.02 and 77,054,433,342.88

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Solution

The fourth proportional to 256,175,996,621.08, 384,186,630,408.02 and 77,054,433,342.88 is: 115,558,379,764.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,175,996,621.08 : 384,186,630,408.02 = 77,054,433,342.88 : x
  2. Step 2: Convert to fraction form
    256,175,996,621.08/384,186,630,408.02 = 77,054,433,342.88/x
  3. Step 3: Cross multiply
    256,175,996,621.08x = 384,186,630,408.02 × 77,054,433,342.88
  4. Step 4: Simplify right side
    256,175,996,621.08x = 29,603,283,104,000,454,426,624
  5. Step 5: Solve for x
    x = 29,603,283,104,000,454,426,624/256,175,996,621.08
  6. Step 6: Final answer
    x = 115,558,379,764.16

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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.