Home / 3,849,722,153.48-5,312,479,114.74-2,178,935,423.24

Finding the Fourth Proportional to 3,849,722,153.48, 5,312,479,114.74 and 2,178,935,423.24

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Solution

The fourth proportional to 3,849,722,153.48, 5,312,479,114.74 and 2,178,935,423.24 is: 3,006,853,083.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849,722,153.48 : 5,312,479,114.74 = 2,178,935,423.24 : x
  2. Step 2: Convert to fraction form
    3,849,722,153.48/5,312,479,114.74 = 2,178,935,423.24/x
  3. Step 3: Cross multiply
    3,849,722,153.48x = 5,312,479,114.74 × 2,178,935,423.24
  4. Step 4: Simplify right side
    3,849,722,153.48x = 11,575,548,928,329,660,416
  5. Step 5: Solve for x
    x = 11,575,548,928,329,660,416/3,849,722,153.48
  6. Step 6: Final answer
    x = 3,006,853,083.64

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Double scale
Find fourth proportional to 3,849,722,154.48, 5,312,479,116.12 and 2,178,935,424.24
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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.