Home / 992,100,078.20-1,368,401,069.94-652,900,482.02

Finding the Fourth Proportional to 992,100,078.20, 1,368,401,069.94 and 652,900,482.02

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Solution

The fourth proportional to 992,100,078.20, 1,368,401,069.94 and 652,900,482.02 is: 900,543,944.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,100,078.20 : 1,368,401,069.94 = 652,900,482.02 : x
  2. Step 2: Convert to fraction form
    992,100,078.20/1,368,401,069.94 = 652,900,482.02/x
  3. Step 3: Cross multiply
    992,100,078.20x = 1,368,401,069.94 × 652,900,482.02
  4. Step 4: Simplify right side
    992,100,078.20x = 893,429,718,153,667,712
  5. Step 5: Solve for x
    x = 893,429,718,153,667,712/992,100,078.20
  6. Step 6: Final answer
    x = 900,543,944.90

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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.