Home / 12,812,966,497.80-19,219,449,746.70-4,089,712,840.20

Finding the Fourth Proportional to 12,812,966,497.80, 19,219,449,746.70 and 4,089,712,840.20

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Solution

The fourth proportional to 12,812,966,497.80, 19,219,449,746.70 and 4,089,712,840.20 is: 6,134,569,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,812,966,497.80 : 19,219,449,746.70 = 4,089,712,840.20 : x
  2. Step 2: Convert to fraction form
    12,812,966,497.80/19,219,449,746.70 = 4,089,712,840.20/x
  3. Step 3: Cross multiply
    12,812,966,497.80x = 19,219,449,746.70 × 4,089,712,840.20
  4. Step 4: Simplify right side
    12,812,966,497.80x = 78,602,030,410,657,628,160
  5. Step 5: Solve for x
    x = 78,602,030,410,657,628,160/12,812,966,497.80
  6. Step 6: Final answer
    x = 6,134,569,260.30

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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.