Home / 608,607,430,344.55-839,955,737,773.95-368,021,028,544.40

Finding the Fourth Proportional to 608,607,430,344.55, 839,955,737,773.95 and 368,021,028,544.40

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Solution

The fourth proportional to 608,607,430,344.55, 839,955,737,773.95 and 368,021,028,544.40 is: 507,915,873,410.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,607,430,344.55 : 839,955,737,773.95 = 368,021,028,544.40 : x
  2. Step 2: Convert to fraction form
    608,607,430,344.55/839,955,737,773.95 = 368,021,028,544.40/x
  3. Step 3: Cross multiply
    608,607,430,344.55x = 839,955,737,773.95 × 368,021,028,544.40
  4. Step 4: Simplify right side
    608,607,430,344.55x = 309,121,374,547,339,435,311,104
  5. Step 5: Solve for x
    x = 309,121,374,547,339,435,311,104/608,607,430,344.55
  6. Step 6: Final answer
    x = 507,915,873,410.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.