Home / 19,849,781,478.40-29,783,464,848.60-10,404,180,526.16

Finding the Fourth Proportional to 19,849,781,478.40, 29,783,464,848.60 and 10,404,180,526.16

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Solution

The fourth proportional to 19,849,781,478.40, 29,783,464,848.60 and 10,404,180,526.16 is: 15,610,879,410.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,849,781,478.40 : 29,783,464,848.60 = 10,404,180,526.16 : x
  2. Step 2: Convert to fraction form
    19,849,781,478.40/29,783,464,848.60 = 10,404,180,526.16/x
  3. Step 3: Cross multiply
    19,849,781,478.40x = 29,783,464,848.60 × 10,404,180,526.16
  4. Step 4: Simplify right side
    19,849,781,478.40x = 309,872,544,979,392,987,136
  5. Step 5: Solve for x
    x = 309,872,544,979,392,987,136/19,849,781,478.40
  6. Step 6: Final answer
    x = 15,610,879,410.27

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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.