Home / 286,544,595,421.40-429,816,893,132.10-137,407,795,626.20

Finding the Fourth Proportional to 286,544,595,421.40, 429,816,893,132.10 and 137,407,795,626.20

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Solution

The fourth proportional to 286,544,595,421.40, 429,816,893,132.10 and 137,407,795,626.20 is: 206,111,693,439.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,544,595,421.40 : 429,816,893,132.10 = 137,407,795,626.20 : x
  2. Step 2: Convert to fraction form
    286,544,595,421.40/429,816,893,132.10 = 137,407,795,626.20/x
  3. Step 3: Cross multiply
    286,544,595,421.40x = 429,816,893,132.10 × 137,407,795,626.20
  4. Step 4: Simplify right side
    286,544,595,421.40x = 59,060,191,808,183,838,179,328
  5. Step 5: Solve for x
    x = 59,060,191,808,183,838,179,328/286,544,595,421.40
  6. Step 6: Final answer
    x = 206,111,693,439.30

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Double scale
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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.