Home / 1,038,318,653.49-1,432,879,811.85-568,419,974.45

Finding the Fourth Proportional to 1,038,318,653.49, 1,432,879,811.85 and 568,419,974.45

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Solution

The fourth proportional to 1,038,318,653.49, 1,432,879,811.85 and 568,419,974.45 is: 784,419,603.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,318,653.49 : 1,432,879,811.85 = 568,419,974.45 : x
  2. Step 2: Convert to fraction form
    1,038,318,653.49/1,432,879,811.85 = 568,419,974.45/x
  3. Step 3: Cross multiply
    1,038,318,653.49x = 1,432,879,811.85 × 568,419,974.45
  4. Step 4: Simplify right side
    1,038,318,653.49x = 814,477,506,041,697,792
  5. Step 5: Solve for x
    x = 814,477,506,041,697,792/1,038,318,653.49
  6. Step 6: Final answer
    x = 784,419,603.08

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Double scale
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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.