Home / 700,297,959.31-966,856,890.95-436,367,693.77

Finding the Fourth Proportional to 700,297,959.31, 966,856,890.95 and 436,367,693.77

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Solution

The fourth proportional to 700,297,959.31, 966,856,890.95 and 436,367,693.77 is: 602,465,145.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,297,959.31 : 966,856,890.95 = 436,367,693.77 : x
  2. Step 2: Convert to fraction form
    700,297,959.31/966,856,890.95 = 436,367,693.77/x
  3. Step 3: Cross multiply
    700,297,959.31x = 966,856,890.95 × 436,367,693.77
  4. Step 4: Simplify right side
    700,297,959.31x = 421,905,111,709,483,904
  5. Step 5: Solve for x
    x = 421,905,111,709,483,904/700,297,959.31
  6. Step 6: Final answer
    x = 602,465,145.16

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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.