Home / 356,412,969-534,619,876.30-97,630,420.36

Finding the Fourth Proportional to 356,412,969, 534,619,876.30 and 97,630,420.36

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Solution

The fourth proportional to 356,412,969, 534,619,876.30 and 97,630,420.36 is: 146,445,746.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,412,969 : 534,619,876.30 = 97,630,420.36 : x
  2. Step 2: Convert to fraction form
    356,412,969/534,619,876.30 = 97,630,420.36/x
  3. Step 3: Cross multiply
    356,412,969x = 534,619,876.30 × 97,630,420.36
  4. Step 4: Simplify right side
    356,412,969x = 52,195,163,255,980,200
  5. Step 5: Solve for x
    x = 52,195,163,255,980,200/356,412,969
  6. Step 6: Final answer
    x = 146,445,746.36

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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.