Home / 1,871,365,626.02-2,808,660,870.40-1,297,340,061.86

Finding the Fourth Proportional to 1,871,365,626.02, 2,808,660,870.40 and 1,297,340,061.86

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Solution

The fourth proportional to 1,871,365,626.02, 2,808,660,870.40 and 1,297,340,061.86 is: 1,947,127,924.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,365,626.02 : 2,808,660,870.40 = 1,297,340,061.86 : x
  2. Step 2: Convert to fraction form
    1,871,365,626.02/2,808,660,870.40 = 1,297,340,061.86/x
  3. Step 3: Cross multiply
    1,871,365,626.02x = 2,808,660,870.40 × 1,297,340,061.86
  4. Step 4: Simplify right side
    1,871,365,626.02x = 3,643,788,267,348,497,408
  5. Step 5: Solve for x
    x = 3,643,788,267,348,497,408/1,871,365,626.02
  6. Step 6: Final answer
    x = 1,947,127,924.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.