Home / 1,172,307,936,479.50-1,617,824,191,718.40-651,485,306,613.50

Finding the Fourth Proportional to 1,172,307,936,479.50, 1,617,824,191,718.40 and 651,485,306,613.50

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Solution

The fourth proportional to 1,172,307,936,479.50, 1,617,824,191,718.40 and 651,485,306,613.50 is: 899,071,529,579.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,307,936,479.50 : 1,617,824,191,718.40 = 651,485,306,613.50 : x
  2. Step 2: Convert to fraction form
    1,172,307,936,479.50/1,617,824,191,718.40 = 651,485,306,613.50/x
  3. Step 3: Cross multiply
    1,172,307,936,479.50x = 1,617,824,191,718.40 × 651,485,306,613.50
  4. Step 4: Simplify right side
    1,172,307,936,479.50x = 1,053,988,689,588,399,508,553,728
  5. Step 5: Solve for x
    x = 1,053,988,689,588,399,508,553,728/1,172,307,936,479.50
  6. Step 6: Final answer
    x = 899,071,529,579.15

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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.