Home / 766,713,855.60-1,150,070,783.40-249,196,609.80

Finding the Fourth Proportional to 766,713,855.60, 1,150,070,783.40 and 249,196,609.80

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Solution

The fourth proportional to 766,713,855.60, 1,150,070,783.40 and 249,196,609.80 is: 373,794,914.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,713,855.60 : 1,150,070,783.40 = 249,196,609.80 : x
  2. Step 2: Convert to fraction form
    766,713,855.60/1,150,070,783.40 = 249,196,609.80/x
  3. Step 3: Cross multiply
    766,713,855.60x = 1,150,070,783.40 × 249,196,609.80
  4. Step 4: Simplify right side
    766,713,855.60x = 286,593,740,253,310,144
  5. Step 5: Solve for x
    x = 286,593,740,253,310,144/766,713,855.60
  6. Step 6: Final answer
    x = 373,794,914.70

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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.