Home / 397,742,549,074.06-548,884,937,530.80-214,839,649,639.22

Finding the Fourth Proportional to 397,742,549,074.06, 548,884,937,530.80 and 214,839,649,639.22

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Solution

The fourth proportional to 397,742,549,074.06, 548,884,937,530.80 and 214,839,649,639.22 is: 296,478,835,231.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,742,549,074.06 : 548,884,937,530.80 = 214,839,649,639.22 : x
  2. Step 2: Convert to fraction form
    397,742,549,074.06/548,884,937,530.80 = 214,839,649,639.22/x
  3. Step 3: Cross multiply
    397,742,549,074.06x = 548,884,937,530.80 × 214,839,649,639.22
  4. Step 4: Simplify right side
    397,742,549,074.06x = 117,922,247,671,362,229,370,880
  5. Step 5: Solve for x
    x = 117,922,247,671,362,229,370,880/397,742,549,074.06
  6. Step 6: Final answer
    x = 296,478,835,231.19

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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.