Home / 2,812,710,788.96-4,219,063,967.05-847,563,890.74

Finding the Fourth Proportional to 2,812,710,788.96, 4,219,063,967.05 and 847,563,890.74

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Solution

The fourth proportional to 2,812,710,788.96, 4,219,063,967.05 and 847,563,890.74 is: 1,271,345,168.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,710,788.96 : 4,219,063,967.05 = 847,563,890.74 : x
  2. Step 2: Convert to fraction form
    2,812,710,788.96/4,219,063,967.05 = 847,563,890.74/x
  3. Step 3: Cross multiply
    2,812,710,788.96x = 4,219,063,967.05 × 847,563,890.74
  4. Step 4: Simplify right side
    2,812,710,788.96x = 3,575,926,271,181,170,688
  5. Step 5: Solve for x
    x = 3,575,926,271,181,170,688/2,812,710,788.96
  6. Step 6: Final answer
    x = 1,271,345,168.24

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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.