Home / 866,941,870.16-1,196,380,552.40-470,464,860.80

Finding the Fourth Proportional to 866,941,870.16, 1,196,380,552.40 and 470,464,860.80

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Solution

The fourth proportional to 866,941,870.16, 1,196,380,552.40 and 470,464,860.80 is: 649,241,926.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,941,870.16 : 1,196,380,552.40 = 470,464,860.80 : x
  2. Step 2: Convert to fraction form
    866,941,870.16/1,196,380,552.40 = 470,464,860.80/x
  3. Step 3: Cross multiply
    866,941,870.16x = 1,196,380,552.40 × 470,464,860.80
  4. Step 4: Simplify right side
    866,941,870.16x = 562,855,010,048,693,184
  5. Step 5: Solve for x
    x = 562,855,010,048,693,184/866,941,870.16
  6. Step 6: Final answer
    x = 649,241,926.62

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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.