Home / 346,871,993.09-478,713,619.15-190,269,367.40

Finding the Fourth Proportional to 346,871,993.09, 478,713,619.15 and 190,269,367.40

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Solution

The fourth proportional to 346,871,993.09, 478,713,619.15 and 190,269,367.40 is: 262,588,330.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,871,993.09 : 478,713,619.15 = 190,269,367.40 : x
  2. Step 2: Convert to fraction form
    346,871,993.09/478,713,619.15 = 190,269,367.40/x
  3. Step 3: Cross multiply
    346,871,993.09x = 478,713,619.15 × 190,269,367.40
  4. Step 4: Simplify right side
    346,871,993.09x = 91,084,537,482,156,128
  5. Step 5: Solve for x
    x = 91,084,537,482,156,128/346,871,993.09
  6. Step 6: Final answer
    x = 262,588,330.27

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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.