Home / 1,139,038,926.32-1,571,934,749.68-637,217,774

Finding the Fourth Proportional to 1,139,038,926.32, 1,571,934,749.68 and 637,217,774

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Solution

The fourth proportional to 1,139,038,926.32, 1,571,934,749.68 and 637,217,774 is: 879,394,671.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,038,926.32 : 1,571,934,749.68 = 637,217,774 : x
  2. Step 2: Convert to fraction form
    1,139,038,926.32/1,571,934,749.68 = 637,217,774/x
  3. Step 3: Cross multiply
    1,139,038,926.32x = 1,571,934,749.68 × 637,217,774
  4. Step 4: Simplify right side
    1,139,038,926.32x = 1,001,664,762,064,336,896
  5. Step 5: Solve for x
    x = 1,001,664,762,064,336,896/1,139,038,926.32
  6. Step 6: Final answer
    x = 879,394,671.17

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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.