Home / 502,014,656.60-753,021,984.90-355,655,805.20

Finding the Fourth Proportional to 502,014,656.60, 753,021,984.90 and 355,655,805.20

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Solution

The fourth proportional to 502,014,656.60, 753,021,984.90 and 355,655,805.20 is: 533,483,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,014,656.60 : 753,021,984.90 = 355,655,805.20 : x
  2. Step 2: Convert to fraction form
    502,014,656.60/753,021,984.90 = 355,655,805.20/x
  3. Step 3: Cross multiply
    502,014,656.60x = 753,021,984.90 × 355,655,805.20
  4. Step 4: Simplify right side
    502,014,656.60x = 267,816,640,372,911,712
  5. Step 5: Solve for x
    x = 267,816,640,372,911,712/502,014,656.60
  6. Step 6: Final answer
    x = 533,483,707.80

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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.