Home / 2,870,790,417-3,961,692,369.54-1,550,690,985.96

Finding the Fourth Proportional to 2,870,790,417, 3,961,692,369.54 and 1,550,690,985.96

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Solution

The fourth proportional to 2,870,790,417, 3,961,692,369.54 and 1,550,690,985.96 is: 2,139,954,421.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,790,417 : 3,961,692,369.54 = 1,550,690,985.96 : x
  2. Step 2: Convert to fraction form
    2,870,790,417/3,961,692,369.54 = 1,550,690,985.96/x
  3. Step 3: Cross multiply
    2,870,790,417x = 3,961,692,369.54 × 1,550,690,985.96
  4. Step 4: Simplify right side
    2,870,790,417x = 6,143,360,646,592,191,488
  5. Step 5: Solve for x
    x = 6,143,360,646,592,191,488/2,870,790,417
  6. Step 6: Final answer
    x = 2,139,954,421.69

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1.5x scale

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.