Home / 866,706,106.80-1,196,061,186.32-509,377,923.15

Finding the Fourth Proportional to 866,706,106.80, 1,196,061,186.32 and 509,377,923.15

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Solution

The fourth proportional to 866,706,106.80, 1,196,061,186.32 and 509,377,923.15 is: 702,945,506.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,706,106.80 : 1,196,061,186.32 = 509,377,923.15 : x
  2. Step 2: Convert to fraction form
    866,706,106.80/1,196,061,186.32 = 509,377,923.15/x
  3. Step 3: Cross multiply
    866,706,106.80x = 1,196,061,186.32 × 509,377,923.15
  4. Step 4: Simplify right side
    866,706,106.80x = 609,247,163,045,459,840
  5. Step 5: Solve for x
    x = 609,247,163,045,459,840/866,706,106.80
  6. Step 6: Final answer
    x = 702,945,506.29

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Double scale
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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.