Home / 12,686,589,095.40-19,029,883,643.10-9,421,415,591.40

Finding the Fourth Proportional to 12,686,589,095.40, 19,029,883,643.10 and 9,421,415,591.40

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Solution

The fourth proportional to 12,686,589,095.40, 19,029,883,643.10 and 9,421,415,591.40 is: 14,132,123,387.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,686,589,095.40 : 19,029,883,643.10 = 9,421,415,591.40 : x
  2. Step 2: Convert to fraction form
    12,686,589,095.40/19,029,883,643.10 = 9,421,415,591.40/x
  3. Step 3: Cross multiply
    12,686,589,095.40x = 19,029,883,643.10 × 9,421,415,591.40
  4. Step 4: Simplify right side
    12,686,589,095.40x = 179,288,442,457,630,146,560
  5. Step 5: Solve for x
    x = 179,288,442,457,630,146,560/12,686,589,095.40
  6. Step 6: Final answer
    x = 14,132,123,387.10

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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.