Home / 2,130,564,901,072.40-3,196,317,421,714.20-621,450,174,942.72

Finding the Fourth Proportional to 2,130,564,901,072.40, 3,196,317,421,714.20 and 621,450,174,942.72

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Solution

The fourth proportional to 2,130,564,901,072.40, 3,196,317,421,714.20 and 621,450,174,942.72 is: 932,312,374,007.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,564,901,072.40 : 3,196,317,421,714.20 = 621,450,174,942.72 : x
  2. Step 2: Convert to fraction form
    2,130,564,901,072.40/3,196,317,421,714.20 = 621,450,174,942.72/x
  3. Step 3: Cross multiply
    2,130,564,901,072.40x = 3,196,317,421,714.20 × 621,450,174,942.72
  4. Step 4: Simplify right side
    2,130,564,901,072.40x = 1,986,352,020,896,753,230,282,752
  5. Step 5: Solve for x
    x = 1,986,352,020,896,753,230,282,752/2,130,564,901,072.40
  6. Step 6: Final answer
    x = 932,312,374,007.92

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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.