Home / 554,391,459,775.45-830,155,007,732.75-382,621,988,432.52

Finding the Fourth Proportional to 554,391,459,775.45, 830,155,007,732.75 and 382,621,988,432.52

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Solution

The fourth proportional to 554,391,459,775.45, 830,155,007,732.75 and 382,621,988,432.52 is: 572,944,539,756.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,391,459,775.45 : 830,155,007,732.75 = 382,621,988,432.52 : x
  2. Step 2: Convert to fraction form
    554,391,459,775.45/830,155,007,732.75 = 382,621,988,432.52/x
  3. Step 3: Cross multiply
    554,391,459,775.45x = 830,155,007,732.75 × 382,621,988,432.52
  4. Step 4: Simplify right side
    554,391,459,775.45x = 317,635,559,765,918,856,773,632
  5. Step 5: Solve for x
    x = 317,635,559,765,918,856,773,632/554,391,459,775.45
  6. Step 6: Final answer
    x = 572,944,539,756.39

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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.