Home / 1,646,993,429.20-2,470,490,143.80-556,460,750.80

Finding the Fourth Proportional to 1,646,993,429.20, 2,470,490,143.80 and 556,460,750.80

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Solution

The fourth proportional to 1,646,993,429.20, 2,470,490,143.80 and 556,460,750.80 is: 834,691,126.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,993,429.20 : 2,470,490,143.80 = 556,460,750.80 : x
  2. Step 2: Convert to fraction form
    1,646,993,429.20/2,470,490,143.80 = 556,460,750.80/x
  3. Step 3: Cross multiply
    1,646,993,429.20x = 2,470,490,143.80 × 556,460,750.80
  4. Step 4: Simplify right side
    1,646,993,429.20x = 1,374,730,800,262,947,840
  5. Step 5: Solve for x
    x = 1,374,730,800,262,947,840/1,646,993,429.20
  6. Step 6: Final answer
    x = 834,691,126.20

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Double scale
Find fourth proportional to 1,646,993,430.20, 2,470,490,145.30 and 556,460,751.80
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.