Home / 554,391,459,781.44-830,155,007,741.76-382,621,988,438.52

Finding the Fourth Proportional to 554,391,459,781.44, 830,155,007,741.76 and 382,621,988,438.52

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Solution

The fourth proportional to 554,391,459,781.44, 830,155,007,741.76 and 382,621,988,438.52 is: 572,944,539,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,391,459,781.44 : 830,155,007,741.76 = 382,621,988,438.52 : x
  2. Step 2: Convert to fraction form
    554,391,459,781.44/830,155,007,741.76 = 382,621,988,438.52/x
  3. Step 3: Cross multiply
    554,391,459,781.44x = 830,155,007,741.76 × 382,621,988,438.52
  4. Step 4: Simplify right side
    554,391,459,781.44x = 317,635,559,774,347,193,221,120
  5. Step 5: Solve for x
    x = 317,635,559,774,347,193,221,120/554,391,459,781.44
  6. Step 6: Final answer
    x = 572,944,539,765.40

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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.