Home / 1,250,956,442.78-1,726,315,153.58-686,450,769.28

Finding the Fourth Proportional to 1,250,956,442.78, 1,726,315,153.58 and 686,450,769.28

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Solution

The fourth proportional to 1,250,956,442.78, 1,726,315,153.58 and 686,450,769.28 is: 947,299,461.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,956,442.78 : 1,726,315,153.58 = 686,450,769.28 : x
  2. Step 2: Convert to fraction form
    1,250,956,442.78/1,726,315,153.58 = 686,450,769.28/x
  3. Step 3: Cross multiply
    1,250,956,442.78x = 1,726,315,153.58 × 686,450,769.28
  4. Step 4: Simplify right side
    1,250,956,442.78x = 1,185,030,365,194,712,320
  5. Step 5: Solve for x
    x = 1,185,030,365,194,712,320/1,250,956,442.78
  6. Step 6: Final answer
    x = 947,299,461.97

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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.