Home / 1,405,518,714.15-2,108,515,095.87-472,619,800.47

Finding the Fourth Proportional to 1,405,518,714.15, 2,108,515,095.87 and 472,619,800.47

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Solution

The fourth proportional to 1,405,518,714.15, 2,108,515,095.87 and 472,619,800.47 is: 709,009,402.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,518,714.15 : 2,108,515,095.87 = 472,619,800.47 : x
  2. Step 2: Convert to fraction form
    1,405,518,714.15/2,108,515,095.87 = 472,619,800.47/x
  3. Step 3: Cross multiply
    1,405,518,714.15x = 2,108,515,095.87 × 472,619,800.47
  4. Step 4: Simplify right side
    1,405,518,714.15x = 996,525,983,901,879,424
  5. Step 5: Solve for x
    x = 996,525,983,901,879,424/1,405,518,714.15
  6. Step 6: Final answer
    x = 709,009,402.63

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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.