Home / 1,279,276,133.43-1,765,492,417.99-707,046,875.83

Finding the Fourth Proportional to 1,279,276,133.43, 1,765,492,417.99 and 707,046,875.83

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Solution

The fourth proportional to 1,279,276,133.43, 1,765,492,417.99 and 707,046,875.83 is: 975,775,179.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,276,133.43 : 1,765,492,417.99 = 707,046,875.83 : x
  2. Step 2: Convert to fraction form
    1,279,276,133.43/1,765,492,417.99 = 707,046,875.83/x
  3. Step 3: Cross multiply
    1,279,276,133.43x = 1,765,492,417.99 × 707,046,875.83
  4. Step 4: Simplify right side
    1,279,276,133.43x = 1,248,285,898,434,585,856
  5. Step 5: Solve for x
    x = 1,248,285,898,434,585,856/1,279,276,133.43
  6. Step 6: Final answer
    x = 975,775,179.27

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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.