Home / 1,402,514,214.32-1,934,999,611.80-807,786,789.68

Finding the Fourth Proportional to 1,402,514,214.32, 1,934,999,611.80 and 807,786,789.68

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Solution

The fourth proportional to 1,402,514,214.32, 1,934,999,611.80 and 807,786,789.68 is: 1,114,475,068.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,514,214.32 : 1,934,999,611.80 = 807,786,789.68 : x
  2. Step 2: Convert to fraction form
    1,402,514,214.32/1,934,999,611.80 = 807,786,789.68/x
  3. Step 3: Cross multiply
    1,402,514,214.32x = 1,934,999,611.80 × 807,786,789.68
  4. Step 4: Simplify right side
    1,402,514,214.32x = 1,563,067,124,447,968,000
  5. Step 5: Solve for x
    x = 1,563,067,124,447,968,000/1,402,514,214.32
  6. Step 6: Final answer
    x = 1,114,475,068.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.