Home / 3,186,460,586.70-4,779,690,880.05-1,808,965,514.70

Finding the Fourth Proportional to 3,186,460,586.70, 4,779,690,880.05 and 1,808,965,514.70

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Solution

The fourth proportional to 3,186,460,586.70, 4,779,690,880.05 and 1,808,965,514.70 is: 2,713,448,272.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,460,586.70 : 4,779,690,880.05 = 1,808,965,514.70 : x
  2. Step 2: Convert to fraction form
    3,186,460,586.70/4,779,690,880.05 = 1,808,965,514.70/x
  3. Step 3: Cross multiply
    3,186,460,586.70x = 4,779,690,880.05 × 1,808,965,514.70
  4. Step 4: Simplify right side
    3,186,460,586.70x = 8,646,295,972,936,545,280
  5. Step 5: Solve for x
    x = 8,646,295,972,936,545,280/3,186,460,586.70
  6. Step 6: Final answer
    x = 2,713,448,272.05

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Double scale
Find fourth proportional to 3,186,460,587.70, 4,779,690,881.55 and 1,808,965,515.70
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.