Home / 70,950,001,052.78-97,911,612,038.14-40,467,728,671.18

Finding the Fourth Proportional to 70,950,001,052.78, 97,911,612,038.14 and 40,467,728,671.18

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Solution

The fourth proportional to 70,950,001,052.78, 97,911,612,038.14 and 40,467,728,671.18 is: 55,845,813,825.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,950,001,052.78 : 97,911,612,038.14 = 40,467,728,671.18 : x
  2. Step 2: Convert to fraction form
    70,950,001,052.78/97,911,612,038.14 = 40,467,728,671.18/x
  3. Step 3: Cross multiply
    70,950,001,052.78x = 97,911,612,038.14 × 40,467,728,671.18
  4. Step 4: Simplify right side
    70,950,001,052.78x = 3,962,260,549,717,291,171,840
  5. Step 5: Solve for x
    x = 3,962,260,549,717,291,171,840/70,950,001,052.78
  6. Step 6: Final answer
    x = 55,845,813,825.57

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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.