Home / 1,118,371,161.23-1,543,353,903.11-623,323,240.91

Finding the Fourth Proportional to 1,118,371,161.23, 1,543,353,903.11 and 623,323,240.91

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Solution

The fourth proportional to 1,118,371,161.23, 1,543,353,903.11 and 623,323,240.91 is: 860,187,020.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,371,161.23 : 1,543,353,903.11 = 623,323,240.91 : x
  2. Step 2: Convert to fraction form
    1,118,371,161.23/1,543,353,903.11 = 623,323,240.91/x
  3. Step 3: Cross multiply
    1,118,371,161.23x = 1,543,353,903.11 × 623,323,240.91
  4. Step 4: Simplify right side
    1,118,371,161.23x = 962,008,356,753,699,584
  5. Step 5: Solve for x
    x = 962,008,356,753,699,584/1,118,371,161.23
  6. Step 6: Final answer
    x = 860,187,020.29

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Double scale
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1.5x scale

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.