Home / 654,578,762.72-903,318,453.95-357,221,005.60

Finding the Fourth Proportional to 654,578,762.72, 903,318,453.95 and 357,221,005.60

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Solution

The fourth proportional to 654,578,762.72, 903,318,453.95 and 357,221,005.60 is: 492,964,857.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,578,762.72 : 903,318,453.95 = 357,221,005.60 : x
  2. Step 2: Convert to fraction form
    654,578,762.72/903,318,453.95 = 357,221,005.60/x
  3. Step 3: Cross multiply
    654,578,762.72x = 903,318,453.95 × 357,221,005.60
  4. Step 4: Simplify right side
    654,578,762.72x = 322,684,326,492,539,712
  5. Step 5: Solve for x
    x = 322,684,326,492,539,712/654,578,762.72
  6. Step 6: Final answer
    x = 492,964,857.51

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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.