Home / 1,919,223,938.72-2,878,943,595.96-538,930,828.64

Finding the Fourth Proportional to 1,919,223,938.72, 2,878,943,595.96 and 538,930,828.64

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Solution

The fourth proportional to 1,919,223,938.72, 2,878,943,595.96 and 538,930,828.64 is: 808,426,482.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,223,938.72 : 2,878,943,595.96 = 538,930,828.64 : x
  2. Step 2: Convert to fraction form
    1,919,223,938.72/2,878,943,595.96 = 538,930,828.64/x
  3. Step 3: Cross multiply
    1,919,223,938.72x = 2,878,943,595.96 × 538,930,828.64
  4. Step 4: Simplify right side
    1,919,223,938.72x = 1,551,551,457,764,149,504
  5. Step 5: Solve for x
    x = 1,551,551,457,764,149,504/1,919,223,938.72
  6. Step 6: Final answer
    x = 808,426,482.43

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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.