Home / 1,048,649,980.80-1,447,116,460.73-572,343,763.94

Finding the Fourth Proportional to 1,048,649,980.80, 1,447,116,460.73 and 572,343,763.94

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Solution

The fourth proportional to 1,048,649,980.80, 1,447,116,460.73 and 572,343,763.94 is: 789,823,198.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,649,980.80 : 1,447,116,460.73 = 572,343,763.94 : x
  2. Step 2: Convert to fraction form
    1,048,649,980.80/1,447,116,460.73 = 572,343,763.94/x
  3. Step 3: Cross multiply
    1,048,649,980.80x = 1,447,116,460.73 × 572,343,763.94
  4. Step 4: Simplify right side
    1,048,649,980.80x = 828,248,081,993,739,520
  5. Step 5: Solve for x
    x = 828,248,081,993,739,520/1,048,649,980.80
  6. Step 6: Final answer
    x = 789,823,198.55

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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.