Home / 8,378,555,302-12,567,895,938.60-3,719,176,646.32

Finding the Fourth Proportional to 8,378,555,302, 12,567,895,938.60 and 3,719,176,646.32

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Solution

The fourth proportional to 8,378,555,302, 12,567,895,938.60 and 3,719,176,646.32 is: 5,578,792,928.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,555,302 : 12,567,895,938.60 = 3,719,176,646.32 : x
  2. Step 2: Convert to fraction form
    8,378,555,302/12,567,895,938.60 = 3,719,176,646.32/x
  3. Step 3: Cross multiply
    8,378,555,302x = 12,567,895,938.60 × 3,719,176,646.32
  4. Step 4: Simplify right side
    8,378,555,302x = 46,742,225,068,221,104,128
  5. Step 5: Solve for x
    x = 46,742,225,068,221,104,128/8,378,555,302
  6. Step 6: Final answer
    x = 5,578,792,928.31

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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.