Home / 2,130,655,251.02-2,940,406,727.73-1,178,018,361.41

Finding the Fourth Proportional to 2,130,655,251.02, 2,940,406,727.73 and 1,178,018,361.41

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Solution

The fourth proportional to 2,130,655,251.02, 2,940,406,727.73 and 1,178,018,361.41 is: 1,625,721,999.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,655,251.02 : 2,940,406,727.73 = 1,178,018,361.41 : x
  2. Step 2: Convert to fraction form
    2,130,655,251.02/2,940,406,727.73 = 1,178,018,361.41/x
  3. Step 3: Cross multiply
    2,130,655,251.02x = 2,940,406,727.73 × 1,178,018,361.41
  4. Step 4: Simplify right side
    2,130,655,251.02x = 3,463,853,115,276,839,936
  5. Step 5: Solve for x
    x = 3,463,853,115,276,839,936/2,130,655,251.02
  6. Step 6: Final answer
    x = 1,625,721,999.67

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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.