Home / 1,313,947,971,278.30-1,971,144,463,044.80-453,188,416,964.08

Finding the Fourth Proportional to 1,313,947,971,278.30, 1,971,144,463,044.80 and 453,188,416,964.08

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Solution

The fourth proportional to 1,313,947,971,278.30, 1,971,144,463,044.80 and 453,188,416,964.08 is: 679,859,369,123.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,947,971,278.30 : 1,971,144,463,044.80 = 453,188,416,964.08 : x
  2. Step 2: Convert to fraction form
    1,313,947,971,278.30/1,971,144,463,044.80 = 453,188,416,964.08/x
  3. Step 3: Cross multiply
    1,313,947,971,278.30x = 1,971,144,463,044.80 × 453,188,416,964.08
  4. Step 4: Simplify right side
    1,313,947,971,278.30x = 893,299,838,814,784,426,344,448
  5. Step 5: Solve for x
    x = 893,299,838,814,784,426,344,448/1,313,947,971,278.30
  6. Step 6: Final answer
    x = 679,859,369,123.82

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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.