Home / 863,642,848,794.65-1,191,864,595,541.20-478,267,194,646.08

Finding the Fourth Proportional to 863,642,848,794.65, 1,191,864,595,541.20 and 478,267,194,646.08

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Solution

The fourth proportional to 863,642,848,794.65, 1,191,864,595,541.20 and 478,267,194,646.08 is: 660,029,475,497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,642,848,794.65 : 1,191,864,595,541.20 = 478,267,194,646.08 : x
  2. Step 2: Convert to fraction form
    863,642,848,794.65/1,191,864,595,541.20 = 478,267,194,646.08/x
  3. Step 3: Cross multiply
    863,642,848,794.65x = 1,191,864,595,541.20 × 478,267,194,646.08
  4. Step 4: Simplify right side
    863,642,848,794.65x = 570,029,736,507,474,523,979,776
  5. Step 5: Solve for x
    x = 570,029,736,507,474,523,979,776/863,642,848,794.65
  6. Step 6: Final answer
    x = 660,029,475,497.93

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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.