Home / 357,312,200.40-535,968,300.60-266,612,936.40

Finding the Fourth Proportional to 357,312,200.40, 535,968,300.60 and 266,612,936.40

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Solution

The fourth proportional to 357,312,200.40, 535,968,300.60 and 266,612,936.40 is: 399,919,404.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,312,200.40 : 535,968,300.60 = 266,612,936.40 : x
  2. Step 2: Convert to fraction form
    357,312,200.40/535,968,300.60 = 266,612,936.40/x
  3. Step 3: Cross multiply
    357,312,200.40x = 535,968,300.60 × 266,612,936.40
  4. Step 4: Simplify right side
    357,312,200.40x = 142,896,082,440,283,888
  5. Step 5: Solve for x
    x = 142,896,082,440,283,888/357,312,200.40
  6. Step 6: Final answer
    x = 399,919,404.60

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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.