Home / 847,543,239.39-1,169,635,012.09-466,045,457.35

Finding the Fourth Proportional to 847,543,239.39, 1,169,635,012.09 and 466,045,457.35

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Solution

The fourth proportional to 847,543,239.39, 1,169,635,012.09 and 466,045,457.35 is: 643,156,666.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,543,239.39 : 1,169,635,012.09 = 466,045,457.35 : x
  2. Step 2: Convert to fraction form
    847,543,239.39/1,169,635,012.09 = 466,045,457.35/x
  3. Step 3: Cross multiply
    847,543,239.39x = 1,169,635,012.09 × 466,045,457.35
  4. Step 4: Simplify right side
    847,543,239.39x = 545,103,084,142,056,832
  5. Step 5: Solve for x
    x = 545,103,084,142,056,832/847,543,239.39
  6. Step 6: Final answer
    x = 643,156,666.01

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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.