Home / 290,911,054.02-435,234,611.25-266,483,368.50

Finding the Fourth Proportional to 290,911,054.02, 435,234,611.25 and 266,483,368.50

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Solution

The fourth proportional to 290,911,054.02, 435,234,611.25 and 266,483,368.50 is: 398,688,134.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,911,054.02 : 435,234,611.25 = 266,483,368.50 : x
  2. Step 2: Convert to fraction form
    290,911,054.02/435,234,611.25 = 266,483,368.50/x
  3. Step 3: Cross multiply
    290,911,054.02x = 435,234,611.25 × 266,483,368.50
  4. Step 4: Simplify right side
    290,911,054.02x = 115,982,785,293,688,000
  5. Step 5: Solve for x
    x = 115,982,785,293,688,000/290,911,054.02
  6. Step 6: Final answer
    x = 398,688,134.02

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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.