Home / 12,047,403,848.07-16,607,895,141.32-8,419,162,905.15

Finding the Fourth Proportional to 12,047,403,848.07, 16,607,895,141.32 and 8,419,162,905.15

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Solution

The fourth proportional to 12,047,403,848.07, 16,607,895,141.32 and 8,419,162,905.15 is: 11,606,199,681.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,047,403,848.07 : 16,607,895,141.32 = 8,419,162,905.15 : x
  2. Step 2: Convert to fraction form
    12,047,403,848.07/16,607,895,141.32 = 8,419,162,905.15/x
  3. Step 3: Cross multiply
    12,047,403,848.07x = 16,607,895,141.32 × 8,419,162,905.15
  4. Step 4: Simplify right side
    12,047,403,848.07x = 139,824,574,706,527,240,192
  5. Step 5: Solve for x
    x = 139,824,574,706,527,240,192/12,047,403,848.07
  6. Step 6: Final answer
    x = 11,606,199,681.68

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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.