Home / 1,090,783,542.80-1,636,405,386.60-353,796,210.56

Finding the Fourth Proportional to 1,090,783,542.80, 1,636,405,386.60 and 353,796,210.56

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Solution

The fourth proportional to 1,090,783,542.80, 1,636,405,386.60 and 353,796,210.56 is: 530,768,939.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,783,542.80 : 1,636,405,386.60 = 353,796,210.56 : x
  2. Step 2: Convert to fraction form
    1,090,783,542.80/1,636,405,386.60 = 353,796,210.56/x
  3. Step 3: Cross multiply
    1,090,783,542.80x = 1,636,405,386.60 × 353,796,210.56
  4. Step 4: Simplify right side
    1,090,783,542.80x = 578,954,024,719,051,776
  5. Step 5: Solve for x
    x = 578,954,024,719,051,776/1,090,783,542.80
  6. Step 6: Final answer
    x = 530,768,939.94

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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.