Home / 1,435,385,644.02-1,980,831,883.41-775,335,928.50

Finding the Fourth Proportional to 1,435,385,644.02, 1,980,831,883.41 and 775,335,928.50

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Solution

The fourth proportional to 1,435,385,644.02, 1,980,831,883.41 and 775,335,928.50 is: 1,069,963,416.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,385,644.02 : 1,980,831,883.41 = 775,335,928.50 : x
  2. Step 2: Convert to fraction form
    1,435,385,644.02/1,980,831,883.41 = 775,335,928.50/x
  3. Step 3: Cross multiply
    1,435,385,644.02x = 1,980,831,883.41 × 775,335,928.50
  4. Step 4: Simplify right side
    1,435,385,644.02x = 1,535,810,127,526,096,128
  5. Step 5: Solve for x
    x = 1,535,810,127,526,096,128/1,435,385,644.02
  6. Step 6: Final answer
    x = 1,069,963,416.40

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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.