Home / 554,391,459,786.20-830,155,007,748.90-382,621,988,443.28

Finding the Fourth Proportional to 554,391,459,786.20, 830,155,007,748.90 and 382,621,988,443.28

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Solution

The fourth proportional to 554,391,459,786.20, 830,155,007,748.90 and 382,621,988,443.28 is: 572,944,539,772.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,391,459,786.20 : 830,155,007,748.90 = 382,621,988,443.28 : x
  2. Step 2: Convert to fraction form
    554,391,459,786.20/830,155,007,748.90 = 382,621,988,443.28/x
  3. Step 3: Cross multiply
    554,391,459,786.20x = 830,155,007,748.90 × 382,621,988,443.28
  4. Step 4: Simplify right side
    554,391,459,786.20x = 317,635,559,781,030,699,204,608
  5. Step 5: Solve for x
    x = 317,635,559,781,030,699,204,608/554,391,459,786.20
  6. Step 6: Final answer
    x = 572,944,539,772.54

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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.