Home / 1,207,509,837,720.50-1,811,130,508,916.50-432,130,802,145.24

Finding the Fourth Proportional to 1,207,509,837,720.50, 1,811,130,508,916.50 and 432,130,802,145.24

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Solution

The fourth proportional to 1,207,509,837,720.50, 1,811,130,508,916.50 and 432,130,802,145.24 is: 648,148,160,088.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,509,837,720.50 : 1,811,130,508,916.50 = 432,130,802,145.24 : x
  2. Step 2: Convert to fraction form
    1,207,509,837,720.50/1,811,130,508,916.50 = 432,130,802,145.24/x
  3. Step 3: Cross multiply
    1,207,509,837,720.50x = 1,811,130,508,916.50 × 432,130,802,145.24
  4. Step 4: Simplify right side
    1,207,509,837,720.50x = 782,645,279,607,803,906,883,584
  5. Step 5: Solve for x
    x = 782,645,279,607,803,906,883,584/1,207,509,837,720.50
  6. Step 6: Final answer
    x = 648,148,160,088.91

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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.