Home / 384,998,645,338.40-577,497,968,007.60-368,675,328,735.20

Finding the Fourth Proportional to 384,998,645,338.40, 577,497,968,007.60 and 368,675,328,735.20

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Solution

The fourth proportional to 384,998,645,338.40, 577,497,968,007.60 and 368,675,328,735.20 is: 553,012,993,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,998,645,338.40 : 577,497,968,007.60 = 368,675,328,735.20 : x
  2. Step 2: Convert to fraction form
    384,998,645,338.40/577,497,968,007.60 = 368,675,328,735.20/x
  3. Step 3: Cross multiply
    384,998,645,338.40x = 577,497,968,007.60 × 368,675,328,735.20
  4. Step 4: Simplify right side
    384,998,645,338.40x = 212,909,253,199,111,953,317,888
  5. Step 5: Solve for x
    x = 212,909,253,199,111,953,317,888/384,998,645,338.40
  6. Step 6: Final answer
    x = 553,012,993,102.80

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1.5x scale

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.