Home / 37,518,196,854.51-51,776,011,196.73-20,371,772,823.57

Finding the Fourth Proportional to 37,518,196,854.51, 51,776,011,196.73 and 20,371,772,823.57

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Solution

The fourth proportional to 37,518,196,854.51, 51,776,011,196.73 and 20,371,772,823.57 is: 28,113,534,930.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,518,196,854.51 : 51,776,011,196.73 = 20,371,772,823.57 : x
  2. Step 2: Convert to fraction form
    37,518,196,854.51/51,776,011,196.73 = 20,371,772,823.57/x
  3. Step 3: Cross multiply
    37,518,196,854.51x = 51,776,011,196.73 × 20,371,772,823.57
  4. Step 4: Simplify right side
    37,518,196,854.51x = 1,054,769,137,810,400,346,112
  5. Step 5: Solve for x
    x = 1,054,769,137,810,400,346,112/37,518,196,854.51
  6. Step 6: Final answer
    x = 28,113,534,930.81

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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.