Home / 1,257,139,693,279.20-1,885,709,537,787.60-302,078,289,519.81

Finding the Fourth Proportional to 1,257,139,693,279.20, 1,885,709,537,787.60 and 302,078,289,519.81

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Solution

The fourth proportional to 1,257,139,693,279.20, 1,885,709,537,787.60 and 302,078,289,519.81 is: 453,117,433,767.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,139,693,279.20 : 1,885,709,537,787.60 = 302,078,289,519.81 : x
  2. Step 2: Convert to fraction form
    1,257,139,693,279.20/1,885,709,537,787.60 = 302,078,289,519.81/x
  3. Step 3: Cross multiply
    1,257,139,693,279.20x = 1,885,709,537,787.60 × 302,078,289,519.81
  4. Step 4: Simplify right side
    1,257,139,693,279.20x = 569,631,911,706,069,747,892,224
  5. Step 5: Solve for x
    x = 569,631,911,706,069,747,892,224/1,257,139,693,279.20
  6. Step 6: Final answer
    x = 453,117,433,767.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.