Home / 1,090,783,542.55-1,636,405,386.23-353,796,210.31

Finding the Fourth Proportional to 1,090,783,542.55, 1,636,405,386.23 and 353,796,210.31

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Solution

The fourth proportional to 1,090,783,542.55, 1,636,405,386.23 and 353,796,210.31 is: 530,768,939.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,783,542.55 : 1,636,405,386.23 = 353,796,210.31 : x
  2. Step 2: Convert to fraction form
    1,090,783,542.55/1,636,405,386.23 = 353,796,210.31/x
  3. Step 3: Cross multiply
    1,090,783,542.55x = 1,636,405,386.23 × 353,796,210.31
  4. Step 4: Simplify right side
    1,090,783,542.55x = 578,954,024,179,045,888
  5. Step 5: Solve for x
    x = 578,954,024,179,045,888/1,090,783,542.55
  6. Step 6: Final answer
    x = 530,768,939.57

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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.