Home / 18,724,514,875.17-28,083,782,513.22-5,456,669,661.90

Finding the Fourth Proportional to 18,724,514,875.17, 28,083,782,513.22 and 5,456,669,661.90

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Solution

The fourth proportional to 18,724,514,875.17, 28,083,782,513.22 and 5,456,669,661.90 is: 8,184,133,210.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724,514,875.17 : 28,083,782,513.22 = 5,456,669,661.90 : x
  2. Step 2: Convert to fraction form
    18,724,514,875.17/28,083,782,513.22 = 5,456,669,661.90/x
  3. Step 3: Cross multiply
    18,724,514,875.17x = 28,083,782,513.22 × 5,456,669,661.90
  4. Step 4: Simplify right side
    18,724,514,875.17x = 153,243,924,031,285,297,152
  5. Step 5: Solve for x
    x = 153,243,924,031,285,297,152/18,724,514,875.17
  6. Step 6: Final answer
    x = 8,184,133,210.01

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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.