Home / 545,147,868.60-817,721,802.90-253,918,200.60

Finding the Fourth Proportional to 545,147,868.60, 817,721,802.90 and 253,918,200.60

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Solution

The fourth proportional to 545,147,868.60, 817,721,802.90 and 253,918,200.60 is: 380,877,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,147,868.60 : 817,721,802.90 = 253,918,200.60 : x
  2. Step 2: Convert to fraction form
    545,147,868.60/817,721,802.90 = 253,918,200.60/x
  3. Step 3: Cross multiply
    545,147,868.60x = 817,721,802.90 × 253,918,200.60
  4. Step 4: Simplify right side
    545,147,868.60x = 207,634,448,783,755,840
  5. Step 5: Solve for x
    x = 207,634,448,783,755,840/545,147,868.60
  6. Step 6: Final answer
    x = 380,877,300.90

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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.