Home / 863,478,488.58-1,191,600,283.69-467,001,468.55

Finding the Fourth Proportional to 863,478,488.58, 1,191,600,283.69 and 467,001,468.55

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Solution

The fourth proportional to 863,478,488.58, 1,191,600,283.69 and 467,001,468.55 is: 644,462,010.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,478,488.58 : 1,191,600,283.69 = 467,001,468.55 : x
  2. Step 2: Convert to fraction form
    863,478,488.58/1,191,600,283.69 = 467,001,468.55/x
  3. Step 3: Cross multiply
    863,478,488.58x = 1,191,600,283.69 × 467,001,468.55
  4. Step 4: Simplify right side
    863,478,488.58x = 556,479,082,411,963,968
  5. Step 5: Solve for x
    x = 556,479,082,411,963,968/863,478,488.58
  6. Step 6: Final answer
    x = 644,462,010.08

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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.