Home / 839,232,017.70-1,258,848,026.55-785,484,305.70

Finding the Fourth Proportional to 839,232,017.70, 1,258,848,026.55 and 785,484,305.70

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Solution

The fourth proportional to 839,232,017.70, 1,258,848,026.55 and 785,484,305.70 is: 1,178,226,458.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,232,017.70 : 1,258,848,026.55 = 785,484,305.70 : x
  2. Step 2: Convert to fraction form
    839,232,017.70/1,258,848,026.55 = 785,484,305.70/x
  3. Step 3: Cross multiply
    839,232,017.70x = 1,258,848,026.55 × 785,484,305.70
  4. Step 4: Simplify right side
    839,232,017.70x = 988,805,368,116,441,984
  5. Step 5: Solve for x
    x = 988,805,368,116,441,984/839,232,017.70
  6. Step 6: Final answer
    x = 1,178,226,458.55

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Double scale
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1.5x scale

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.