Home / 705,425,709.60-972,053,051.54-545,685,800.14

Finding the Fourth Proportional to 705,425,709.60, 972,053,051.54 and 545,685,800.14

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Solution

The fourth proportional to 705,425,709.60, 972,053,051.54 and 545,685,800.14 is: 751,936,795.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,425,709.60 : 972,053,051.54 = 545,685,800.14 : x
  2. Step 2: Convert to fraction form
    705,425,709.60/972,053,051.54 = 545,685,800.14/x
  3. Step 3: Cross multiply
    705,425,709.60x = 972,053,051.54 × 545,685,800.14
  4. Step 4: Simplify right side
    705,425,709.60x = 530,435,547,208,133,504
  5. Step 5: Solve for x
    x = 530,435,547,208,133,504/705,425,709.60
  6. Step 6: Final answer
    x = 751,936,795.03

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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.