Home / 1,014,186,813.66-1,400,890,674.81-838,683,737.82

Finding the Fourth Proportional to 1,014,186,813.66, 1,400,890,674.81 and 838,683,737.82

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Solution

The fourth proportional to 1,014,186,813.66, 1,400,890,674.81 and 838,683,737.82 is: 1,158,469,240.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,186,813.66 : 1,400,890,674.81 = 838,683,737.82 : x
  2. Step 2: Convert to fraction form
    1,014,186,813.66/1,400,890,674.81 = 838,683,737.82/x
  3. Step 3: Cross multiply
    1,014,186,813.66x = 1,400,890,674.81 × 838,683,737.82
  4. Step 4: Simplify right side
    1,014,186,813.66x = 1,174,904,227,426,832,896
  5. Step 5: Solve for x
    x = 1,174,904,227,426,832,896/1,014,186,813.66
  6. Step 6: Final answer
    x = 1,158,469,240.19

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Double scale
Find fourth proportional to 1,014,186,814.66, 1,400,890,676.19 and 838,683,738.82
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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.