Home / 14,307,106,432.72-19,743,807,826.60-7,963,338,125.20

Finding the Fourth Proportional to 14,307,106,432.72, 19,743,807,826.60 and 7,963,338,125.20

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Solution

The fourth proportional to 14,307,106,432.72, 19,743,807,826.60 and 7,963,338,125.20 is: 10,989,407,141.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,307,106,432.72 : 19,743,807,826.60 = 7,963,338,125.20 : x
  2. Step 2: Convert to fraction form
    14,307,106,432.72/19,743,807,826.60 = 7,963,338,125.20/x
  3. Step 3: Cross multiply
    14,307,106,432.72x = 19,743,807,826.60 × 7,963,338,125.20
  4. Step 4: Simplify right side
    14,307,106,432.72x = 157,226,617,602,185,920,512
  5. Step 5: Solve for x
    x = 157,226,617,602,185,920,512/14,307,106,432.72
  6. Step 6: Final answer
    x = 10,989,407,141.24

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Double scale
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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.