Home / 12,411,639,587.74-17,128,426,018.64-6,773,218,867.39

Finding the Fourth Proportional to 12,411,639,587.74, 17,128,426,018.64 and 6,773,218,867.39

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Solution

The fourth proportional to 12,411,639,587.74, 17,128,426,018.64 and 6,773,218,867.39 is: 9,347,240,343.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,411,639,587.74 : 17,128,426,018.64 = 6,773,218,867.39 : x
  2. Step 2: Convert to fraction form
    12,411,639,587.74/17,128,426,018.64 = 6,773,218,867.39/x
  3. Step 3: Cross multiply
    12,411,639,587.74x = 17,128,426,018.64 × 6,773,218,867.39
  4. Step 4: Simplify right side
    12,411,639,587.74x = 116,014,578,278,146,228,224
  5. Step 5: Solve for x
    x = 116,014,578,278,146,228,224/12,411,639,587.74
  6. Step 6: Final answer
    x = 9,347,240,343.07

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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.