Home / 1,990,819,742.40-2,985,831,482.40-955,678,622.40

Finding the Fourth Proportional to 1,990,819,742.40, 2,985,831,482.40 and 955,678,622.40

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Solution

The fourth proportional to 1,990,819,742.40, 2,985,831,482.40 and 955,678,622.40 is: 1,433,326,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,819,742.40 : 2,985,831,482.40 = 955,678,622.40 : x
  2. Step 2: Convert to fraction form
    1,990,819,742.40/2,985,831,482.40 = 955,678,622.40/x
  3. Step 3: Cross multiply
    1,990,819,742.40x = 2,985,831,482.40 × 955,678,622.40
  4. Step 4: Simplify right side
    1,990,819,742.40x = 2,853,495,317,818,582,016
  5. Step 5: Solve for x
    x = 2,853,495,317,818,582,016/1,990,819,742.40
  6. Step 6: Final answer
    x = 1,433,326,813.60

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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.