Home / 1,070,050,453.80-1,605,075,680.70-488,919,720.30

Finding the Fourth Proportional to 1,070,050,453.80, 1,605,075,680.70 and 488,919,720.30

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Solution

The fourth proportional to 1,070,050,453.80, 1,605,075,680.70 and 488,919,720.30 is: 733,379,580.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,050,453.80 : 1,605,075,680.70 = 488,919,720.30 : x
  2. Step 2: Convert to fraction form
    1,070,050,453.80/1,605,075,680.70 = 488,919,720.30/x
  3. Step 3: Cross multiply
    1,070,050,453.80x = 1,605,075,680.70 × 488,919,720.30
  4. Step 4: Simplify right side
    1,070,050,453.80x = 784,753,152,868,176,128
  5. Step 5: Solve for x
    x = 784,753,152,868,176,128/1,070,050,453.80
  6. Step 6: Final answer
    x = 733,379,580.45

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Double scale
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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.