Home / 12,118,788,003.40-18,178,182,005.10-5,225,643,939.40

Finding the Fourth Proportional to 12,118,788,003.40, 18,178,182,005.10 and 5,225,643,939.40

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Solution

The fourth proportional to 12,118,788,003.40, 18,178,182,005.10 and 5,225,643,939.40 is: 7,838,465,909.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,118,788,003.40 : 18,178,182,005.10 = 5,225,643,939.40 : x
  2. Step 2: Convert to fraction form
    12,118,788,003.40/18,178,182,005.10 = 5,225,643,939.40/x
  3. Step 3: Cross multiply
    12,118,788,003.40x = 18,178,182,005.10 × 5,225,643,939.40
  4. Step 4: Simplify right side
    12,118,788,003.40x = 94,992,706,624,260,947,968
  5. Step 5: Solve for x
    x = 94,992,706,624,260,947,968/12,118,788,003.40
  6. Step 6: Final answer
    x = 7,838,465,909.10

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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.