Home / 347,640,672,980.83-521,520,417,783.55-143,322,168,790.35

Finding the Fourth Proportional to 347,640,672,980.83, 521,520,417,783.55 and 143,322,168,790.35

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Solution

The fourth proportional to 347,640,672,980.83, 521,520,417,783.55 and 143,322,168,790.35 is: 215,007,745,510.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,640,672,980.83 : 521,520,417,783.55 = 143,322,168,790.35 : x
  2. Step 2: Convert to fraction form
    347,640,672,980.83/521,520,417,783.55 = 143,322,168,790.35/x
  3. Step 3: Cross multiply
    347,640,672,980.83x = 521,520,417,783.55 × 143,322,168,790.35
  4. Step 4: Simplify right side
    347,640,672,980.83x = 74,745,437,345,187,803,168,768
  5. Step 5: Solve for x
    x = 74,745,437,345,187,803,168,768/347,640,672,980.83
  6. Step 6: Final answer
    x = 215,007,745,510.00

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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.