Home / 42,272,093,081.60-63,408,139,622.40-12,828,088,678.40

Finding the Fourth Proportional to 42,272,093,081.60, 63,408,139,622.40 and 12,828,088,678.40

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Solution

The fourth proportional to 42,272,093,081.60, 63,408,139,622.40 and 12,828,088,678.40 is: 19,242,133,017.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,272,093,081.60 : 63,408,139,622.40 = 12,828,088,678.40 : x
  2. Step 2: Convert to fraction form
    42,272,093,081.60/63,408,139,622.40 = 12,828,088,678.40/x
  3. Step 3: Cross multiply
    42,272,093,081.60x = 63,408,139,622.40 × 12,828,088,678.40
  4. Step 4: Simplify right side
    42,272,093,081.60x = 813,405,238,008,515,919,872
  5. Step 5: Solve for x
    x = 813,405,238,008,515,919,872/42,272,093,081.60
  6. Step 6: Final answer
    x = 19,242,133,017.60

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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.