Home / 841,498,375.96-1,161,245,482.80-470,223,458.20

Finding the Fourth Proportional to 841,498,375.96, 1,161,245,482.80 and 470,223,458.20

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Solution

The fourth proportional to 841,498,375.96, 1,161,245,482.80 and 470,223,458.20 is: 648,895,924.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,498,375.96 : 1,161,245,482.80 = 470,223,458.20 : x
  2. Step 2: Convert to fraction form
    841,498,375.96/1,161,245,482.80 = 470,223,458.20/x
  3. Step 3: Cross multiply
    841,498,375.96x = 1,161,245,482.80 × 470,223,458.20
  4. Step 4: Simplify right side
    841,498,375.96x = 546,044,866,741,344,576
  5. Step 5: Solve for x
    x = 546,044,866,741,344,576/841,498,375.96
  6. Step 6: Final answer
    x = 648,895,924.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.