Home / 256,175,996,606.32-384,186,630,385.92-77,054,433,328.10

Finding the Fourth Proportional to 256,175,996,606.32, 384,186,630,385.92 and 77,054,433,328.10

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Solution

The fourth proportional to 256,175,996,606.32, 384,186,630,385.92 and 77,054,433,328.10 is: 115,558,379,742.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,175,996,606.32 : 384,186,630,385.92 = 77,054,433,328.10 : x
  2. Step 2: Convert to fraction form
    256,175,996,606.32/384,186,630,385.92 = 77,054,433,328.10/x
  3. Step 3: Cross multiply
    256,175,996,606.32x = 384,186,630,385.92 × 77,054,433,328.10
  4. Step 4: Simplify right side
    256,175,996,606.32x = 29,603,283,096,620,421,349,376
  5. Step 5: Solve for x
    x = 29,603,283,096,620,421,349,376/256,175,996,606.32
  6. Step 6: Final answer
    x = 115,558,379,742.01

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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.