Home / 1,210,434,740.40-1,815,652,110.60-797,186,218.80

Finding the Fourth Proportional to 1,210,434,740.40, 1,815,652,110.60 and 797,186,218.80

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Solution

The fourth proportional to 1,210,434,740.40, 1,815,652,110.60 and 797,186,218.80 is: 1,195,779,328.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,434,740.40 : 1,815,652,110.60 = 797,186,218.80 : x
  2. Step 2: Convert to fraction form
    1,210,434,740.40/1,815,652,110.60 = 797,186,218.80/x
  3. Step 3: Cross multiply
    1,210,434,740.40x = 1,815,652,110.60 × 797,186,218.80
  4. Step 4: Simplify right side
    1,210,434,740.40x = 1,447,412,840,705,453,312
  5. Step 5: Solve for x
    x = 1,447,412,840,705,453,312/1,210,434,740.40
  6. Step 6: Final answer
    x = 1,195,779,328.20

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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.