Home / 608,607,430,346.55-839,955,737,776.75-368,021,028,546.40

Finding the Fourth Proportional to 608,607,430,346.55, 839,955,737,776.75 and 368,021,028,546.40

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Solution

The fourth proportional to 608,607,430,346.55, 839,955,737,776.75 and 368,021,028,546.40 is: 507,915,873,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,607,430,346.55 : 839,955,737,776.75 = 368,021,028,546.40 : x
  2. Step 2: Convert to fraction form
    608,607,430,346.55/839,955,737,776.75 = 368,021,028,546.40/x
  3. Step 3: Cross multiply
    608,607,430,346.55x = 839,955,737,776.75 × 368,021,028,546.40
  4. Step 4: Simplify right side
    608,607,430,346.55x = 309,121,374,550,049,828,110,336
  5. Step 5: Solve for x
    x = 309,121,374,550,049,828,110,336/608,607,430,346.55
  6. Step 6: Final answer
    x = 507,915,873,412.90

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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.