Home / 1,778,118,401.80-2,667,177,602.70-1,678,349,211.40

Finding the Fourth Proportional to 1,778,118,401.80, 2,667,177,602.70 and 1,678,349,211.40

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Solution

The fourth proportional to 1,778,118,401.80, 2,667,177,602.70 and 1,678,349,211.40 is: 2,517,523,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,118,401.80 : 2,667,177,602.70 = 1,678,349,211.40 : x
  2. Step 2: Convert to fraction form
    1,778,118,401.80/2,667,177,602.70 = 1,678,349,211.40/x
  3. Step 3: Cross multiply
    1,778,118,401.80x = 2,667,177,602.70 × 1,678,349,211.40
  4. Step 4: Simplify right side
    1,778,118,401.80x = 4,476,455,426,155,287,552
  5. Step 5: Solve for x
    x = 4,476,455,426,155,287,552/1,778,118,401.80
  6. Step 6: Final answer
    x = 2,517,523,817.10

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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.