Home / 1,309,999,788.80-1,964,432,812.80-533,387,340.80

Finding the Fourth Proportional to 1,309,999,788.80, 1,964,432,812.80 and 533,387,340.80

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Solution

The fourth proportional to 1,309,999,788.80, 1,964,432,812.80 and 533,387,340.80 is: 799,850,200.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,999,788.80 : 1,964,432,812.80 = 533,387,340.80 : x
  2. Step 2: Convert to fraction form
    1,309,999,788.80/1,964,432,812.80 = 533,387,340.80/x
  3. Step 3: Cross multiply
    1,309,999,788.80x = 1,964,432,812.80 × 533,387,340.80
  4. Step 4: Simplify right side
    1,309,999,788.80x = 1,047,803,594,199,656,192
  5. Step 5: Solve for x
    x = 1,047,803,594,199,656,192/1,309,999,788.80
  6. Step 6: Final answer
    x = 799,850,200.86

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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.