Home / 1,371,556,482.15-1,892,746,474.83-745,025,378.25

Finding the Fourth Proportional to 1,371,556,482.15, 1,892,746,474.83 and 745,025,378.25

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Solution

The fourth proportional to 1,371,556,482.15, 1,892,746,474.83 and 745,025,378.25 is: 1,028,134,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,556,482.15 : 1,892,746,474.83 = 745,025,378.25 : x
  2. Step 2: Convert to fraction form
    1,371,556,482.15/1,892,746,474.83 = 745,025,378.25/x
  3. Step 3: Cross multiply
    1,371,556,482.15x = 1,892,746,474.83 × 745,025,378.25
  4. Step 4: Simplify right side
    1,371,556,482.15x = 1,410,144,158,351,503,872
  5. Step 5: Solve for x
    x = 1,410,144,158,351,503,872/1,371,556,482.15
  6. Step 6: Final answer
    x = 1,028,134,223.20

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Double scale
Find fourth proportional to 1,371,556,483.15, 1,892,746,476.21 and 745,025,379.25
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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.