Home / 756,106,620.69-1,042,733,712.33-518,297,402.01

Finding the Fourth Proportional to 756,106,620.69, 1,042,733,712.33 and 518,297,402.01

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Solution

The fourth proportional to 756,106,620.69, 1,042,733,712.33 and 518,297,402.01 is: 714,775,085.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,106,620.69 : 1,042,733,712.33 = 518,297,402.01 : x
  2. Step 2: Convert to fraction form
    756,106,620.69/1,042,733,712.33 = 518,297,402.01/x
  3. Step 3: Cross multiply
    756,106,620.69x = 1,042,733,712.33 × 518,297,402.01
  4. Step 4: Simplify right side
    756,106,620.69x = 540,446,174,088,445,312
  5. Step 5: Solve for x
    x = 540,446,174,088,445,312/756,106,620.69
  6. Step 6: Final answer
    x = 714,775,085.02

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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.