Home / 502,559,915,995.20-693,531,739,643.70-274,189,312,680.40

Finding the Fourth Proportional to 502,559,915,995.20, 693,531,739,643.70 and 274,189,312,680.40

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Solution

The fourth proportional to 502,559,915,995.20, 693,531,739,643.70 and 274,189,312,680.40 is: 378,380,736,231.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,559,915,995.20 : 693,531,739,643.70 = 274,189,312,680.40 : x
  2. Step 2: Convert to fraction form
    502,559,915,995.20/693,531,739,643.70 = 274,189,312,680.40/x
  3. Step 3: Cross multiply
    502,559,915,995.20x = 693,531,739,643.70 × 274,189,312,680.40
  4. Step 4: Simplify right side
    502,559,915,995.20x = 190,158,991,014,948,216,242,176
  5. Step 5: Solve for x
    x = 190,158,991,014,948,216,242,176/502,559,915,995.20
  6. Step 6: Final answer
    x = 378,380,736,231.99

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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.