Home / 1,255,318,378.02-1,732,355,297.24-690,868,249.11

Finding the Fourth Proportional to 1,255,318,378.02, 1,732,355,297.24 and 690,868,249.11

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Solution

The fourth proportional to 1,255,318,378.02, 1,732,355,297.24 and 690,868,249.11 is: 953,406,953.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,318,378.02 : 1,732,355,297.24 = 690,868,249.11 : x
  2. Step 2: Convert to fraction form
    1,255,318,378.02/1,732,355,297.24 = 690,868,249.11/x
  3. Step 3: Cross multiply
    1,255,318,378.02x = 1,732,355,297.24 × 690,868,249.11
  4. Step 4: Simplify right side
    1,255,318,378.02x = 1,196,829,271,037,178,112
  5. Step 5: Solve for x
    x = 1,196,829,271,037,178,112/1,255,318,378.02
  6. Step 6: Final answer
    x = 953,406,953.96

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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.