Home / 19,205,364,457.70-28,824,171,000.15-8,740,684,931.30

Finding the Fourth Proportional to 19,205,364,457.70, 28,824,171,000.15 and 8,740,684,931.30

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Solution

The fourth proportional to 19,205,364,457.70, 28,824,171,000.15 and 8,740,684,931.30 is: 13,118,365,843.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205,364,457.70 : 28,824,171,000.15 = 8,740,684,931.30 : x
  2. Step 2: Convert to fraction form
    19,205,364,457.70/28,824,171,000.15 = 8,740,684,931.30/x
  3. Step 3: Cross multiply
    19,205,364,457.70x = 28,824,171,000.15 × 8,740,684,931.30
  4. Step 4: Simplify right side
    19,205,364,457.70x = 251,942,997,118,225,547,264
  5. Step 5: Solve for x
    x = 251,942,997,118,225,547,264/19,205,364,457.70
  6. Step 6: Final answer
    x = 13,118,365,843.73

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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.