Home / 3,870,774,538.40-5,806,161,807.60-2,129,348,669.60

Finding the Fourth Proportional to 3,870,774,538.40, 5,806,161,807.60 and 2,129,348,669.60

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Solution

The fourth proportional to 3,870,774,538.40, 5,806,161,807.60 and 2,129,348,669.60 is: 3,194,023,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870,774,538.40 : 5,806,161,807.60 = 2,129,348,669.60 : x
  2. Step 2: Convert to fraction form
    3,870,774,538.40/5,806,161,807.60 = 2,129,348,669.60/x
  3. Step 3: Cross multiply
    3,870,774,538.40x = 5,806,161,807.60 × 2,129,348,669.60
  4. Step 4: Simplify right side
    3,870,774,538.40x = 12,363,342,920,495,390,720
  5. Step 5: Solve for x
    x = 12,363,342,920,495,390,720/3,870,774,538.40
  6. Step 6: Final answer
    x = 3,194,023,004.40

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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.