Home / 910,318,334.05-1,256,234,682.45-492,630,619.35

Finding the Fourth Proportional to 910,318,334.05, 1,256,234,682.45 and 492,630,619.35

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Solution

The fourth proportional to 910,318,334.05, 1,256,234,682.45 and 492,630,619.35 is: 679,827,755.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,318,334.05 : 1,256,234,682.45 = 492,630,619.35 : x
  2. Step 2: Convert to fraction form
    910,318,334.05/1,256,234,682.45 = 492,630,619.35/x
  3. Step 3: Cross multiply
    910,318,334.05x = 1,256,234,682.45 × 492,630,619.35
  4. Step 4: Simplify right side
    910,318,334.05x = 618,859,669,663,854,592
  5. Step 5: Solve for x
    x = 618,859,669,663,854,592/910,318,334.05
  6. Step 6: Final answer
    x = 679,827,755.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.