Home / 357,128,352,730.40-535,692,529,095.60-321,795,604,133.60

Finding the Fourth Proportional to 357,128,352,730.40, 535,692,529,095.60 and 321,795,604,133.60

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Solution

The fourth proportional to 357,128,352,730.40, 535,692,529,095.60 and 321,795,604,133.60 is: 482,693,406,200.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,128,352,730.40 : 535,692,529,095.60 = 321,795,604,133.60 : x
  2. Step 2: Convert to fraction form
    357,128,352,730.40/535,692,529,095.60 = 321,795,604,133.60/x
  3. Step 3: Cross multiply
    357,128,352,730.40x = 535,692,529,095.60 × 321,795,604,133.60
  4. Step 4: Simplify right side
    357,128,352,730.40x = 172,383,501,030,174,685,659,136
  5. Step 5: Solve for x
    x = 172,383,501,030,174,685,659,136/357,128,352,730.40
  6. Step 6: Final answer
    x = 482,693,406,200.40

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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.