Home / 1,273,301,702.71-1,757,138,351.47-716,383,421.17

Finding the Fourth Proportional to 1,273,301,702.71, 1,757,138,351.47 and 716,383,421.17

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Solution

The fourth proportional to 1,273,301,702.71, 1,757,138,351.47 and 716,383,421.17 is: 988,598,995.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,301,702.71 : 1,757,138,351.47 = 716,383,421.17 : x
  2. Step 2: Convert to fraction form
    1,273,301,702.71/1,757,138,351.47 = 716,383,421.17/x
  3. Step 3: Cross multiply
    1,273,301,702.71x = 1,757,138,351.47 × 716,383,421.17
  4. Step 4: Simplify right side
    1,273,301,702.71x = 1,258,784,783,688,908,800
  5. Step 5: Solve for x
    x = 1,258,784,783,688,908,800/1,273,301,702.71
  6. Step 6: Final answer
    x = 988,598,995.05

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Double scale
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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.