Home / 1,174,495,223.98-1,620,811,840.67-638,643,049.17

Finding the Fourth Proportional to 1,174,495,223.98, 1,620,811,840.67 and 638,643,049.17

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Solution

The fourth proportional to 1,174,495,223.98, 1,620,811,840.67 and 638,643,049.17 is: 881,331,992.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,495,223.98 : 1,620,811,840.67 = 638,643,049.17 : x
  2. Step 2: Convert to fraction form
    1,174,495,223.98/1,620,811,840.67 = 638,643,049.17/x
  3. Step 3: Cross multiply
    1,174,495,223.98x = 1,620,811,840.67 × 638,643,049.17
  4. Step 4: Simplify right side
    1,174,495,223.98x = 1,035,120,216,056,328,960
  5. Step 5: Solve for x
    x = 1,035,120,216,056,328,960/1,174,495,223.98
  6. Step 6: Final answer
    x = 881,331,992.61

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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.