Home / 1,091,517,779.70-1,637,276,669.55-401,282,208.90

Finding the Fourth Proportional to 1,091,517,779.70, 1,637,276,669.55 and 401,282,208.90

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Solution

The fourth proportional to 1,091,517,779.70, 1,637,276,669.55 and 401,282,208.90 is: 601,923,313.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,517,779.70 : 1,637,276,669.55 = 401,282,208.90 : x
  2. Step 2: Convert to fraction form
    1,091,517,779.70/1,637,276,669.55 = 401,282,208.90/x
  3. Step 3: Cross multiply
    1,091,517,779.70x = 1,637,276,669.55 × 401,282,208.90
  4. Step 4: Simplify right side
    1,091,517,779.70x = 657,009,998,537,459,328
  5. Step 5: Solve for x
    x = 657,009,998,537,459,328/1,091,517,779.70
  6. Step 6: Final answer
    x = 601,923,313.35

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1.5x scale

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.