Home / 1,113,455,187.94-1,670,872,482.65-647,335,988.72

Finding the Fourth Proportional to 1,113,455,187.94, 1,670,872,482.65 and 647,335,988.72

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Solution

The fourth proportional to 1,113,455,187.94, 1,670,872,482.65 and 647,335,988.72 is: 971,404,958.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,455,187.94 : 1,670,872,482.65 = 647,335,988.72 : x
  2. Step 2: Convert to fraction form
    1,113,455,187.94/1,670,872,482.65 = 647,335,988.72/x
  3. Step 3: Cross multiply
    1,113,455,187.94x = 1,670,872,482.65 × 647,335,988.72
  4. Step 4: Simplify right side
    1,113,455,187.94x = 1,081,615,890,587,074,176
  5. Step 5: Solve for x
    x = 1,081,615,890,587,074,176/1,113,455,187.94
  6. Step 6: Final answer
    x = 971,404,958.46

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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.