Home / 1,778,773,980.28-2,454,708,325.47-985,871,149.52

Finding the Fourth Proportional to 1,778,773,980.28, 2,454,708,325.47 and 985,871,149.52

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Solution

The fourth proportional to 1,778,773,980.28, 2,454,708,325.47 and 985,871,149.52 is: 1,360,502,315.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,773,980.28 : 2,454,708,325.47 = 985,871,149.52 : x
  2. Step 2: Convert to fraction form
    1,778,773,980.28/2,454,708,325.47 = 985,871,149.52/x
  3. Step 3: Cross multiply
    1,778,773,980.28x = 2,454,708,325.47 × 985,871,149.52
  4. Step 4: Simplify right side
    1,778,773,980.28x = 2,420,026,118,570,114,048
  5. Step 5: Solve for x
    x = 2,420,026,118,570,114,048/1,778,773,980.28
  6. Step 6: Final answer
    x = 1,360,502,315.30

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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.