Home / 1,287,176,912.40-1,931,773,138.20-597,169,664.40

Finding the Fourth Proportional to 1,287,176,912.40, 1,931,773,138.20 and 597,169,664.40

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Solution

The fourth proportional to 1,287,176,912.40, 1,931,773,138.20 and 597,169,664.40 is: 896,222,038.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,176,912.40 : 1,931,773,138.20 = 597,169,664.40 : x
  2. Step 2: Convert to fraction form
    1,287,176,912.40/1,931,773,138.20 = 597,169,664.40/x
  3. Step 3: Cross multiply
    1,287,176,912.40x = 1,931,773,138.20 × 597,169,664.40
  4. Step 4: Simplify right side
    1,287,176,912.40x = 1,153,596,316,635,828,736
  5. Step 5: Solve for x
    x = 1,153,596,316,635,828,736/1,287,176,912.40
  6. Step 6: Final answer
    x = 896,222,038.73

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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.