Home / 384,998,645,339.40-577,497,968,009.10-368,675,328,736.20

Finding the Fourth Proportional to 384,998,645,339.40, 577,497,968,009.10 and 368,675,328,736.20

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Solution

The fourth proportional to 384,998,645,339.40, 577,497,968,009.10 and 368,675,328,736.20 is: 553,012,993,104.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,998,645,339.40 : 577,497,968,009.10 = 368,675,328,736.20 : x
  2. Step 2: Convert to fraction form
    384,998,645,339.40/577,497,968,009.10 = 368,675,328,736.20/x
  3. Step 3: Cross multiply
    384,998,645,339.40x = 577,497,968,009.10 × 368,675,328,736.20
  4. Step 4: Simplify right side
    384,998,645,339.40x = 212,909,253,200,242,435,686,400
  5. Step 5: Solve for x
    x = 212,909,253,200,242,435,686,400/384,998,645,339.40
  6. Step 6: Final answer
    x = 553,012,993,104.30

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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.