Home / 888,130,628.64-1,225,634,781.60-486,237,674.16

Finding the Fourth Proportional to 888,130,628.64, 1,225,634,781.60 and 486,237,674.16

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Solution

The fourth proportional to 888,130,628.64, 1,225,634,781.60 and 486,237,674.16 is: 671,015,936.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,130,628.64 : 1,225,634,781.60 = 486,237,674.16 : x
  2. Step 2: Convert to fraction form
    888,130,628.64/1,225,634,781.60 = 486,237,674.16/x
  3. Step 3: Cross multiply
    888,130,628.64x = 1,225,634,781.60 × 486,237,674.16
  4. Step 4: Simplify right side
    888,130,628.64x = 595,949,805,574,783,488
  5. Step 5: Solve for x
    x = 595,949,805,574,783,488/888,130,628.64
  6. Step 6: Final answer
    x = 671,015,936.57

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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.