Home / 766,308,818.40-1,149,463,227.60-524,444,114.40

Finding the Fourth Proportional to 766,308,818.40, 1,149,463,227.60 and 524,444,114.40

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Solution

The fourth proportional to 766,308,818.40, 1,149,463,227.60 and 524,444,114.40 is: 786,666,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,308,818.40 : 1,149,463,227.60 = 524,444,114.40 : x
  2. Step 2: Convert to fraction form
    766,308,818.40/1,149,463,227.60 = 524,444,114.40/x
  3. Step 3: Cross multiply
    766,308,818.40x = 1,149,463,227.60 × 524,444,114.40
  4. Step 4: Simplify right side
    766,308,818.40x = 602,829,224,434,047,616
  5. Step 5: Solve for x
    x = 602,829,224,434,047,616/766,308,818.40
  6. Step 6: Final answer
    x = 786,666,171.60

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Half scale
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Double scale
Find fourth proportional to 766,308,819.40, 1,149,463,229.10 and 524,444,115.40
Similar ratio
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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.