Home / 350,210,860.80-525,316,291.20-205,092,038.40

Finding the Fourth Proportional to 350,210,860.80, 525,316,291.20 and 205,092,038.40

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Solution

The fourth proportional to 350,210,860.80, 525,316,291.20 and 205,092,038.40 is: 307,638,057.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,210,860.80 : 525,316,291.20 = 205,092,038.40 : x
  2. Step 2: Convert to fraction form
    350,210,860.80/525,316,291.20 = 205,092,038.40/x
  3. Step 3: Cross multiply
    350,210,860.80x = 525,316,291.20 × 205,092,038.40
  4. Step 4: Simplify right side
    350,210,860.80x = 107,738,188,966,935,984
  5. Step 5: Solve for x
    x = 107,738,188,966,935,984/350,210,860.80
  6. Step 6: Final answer
    x = 307,638,057.60

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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.