Home / 805,636,735.20-1,111,777,063.56-453,212,973.36

Finding the Fourth Proportional to 805,636,735.20, 1,111,777,063.56 and 453,212,973.36

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Solution

The fourth proportional to 805,636,735.20, 1,111,777,063.56 and 453,212,973.36 is: 625,432,985.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,636,735.20 : 1,111,777,063.56 = 453,212,973.36 : x
  2. Step 2: Convert to fraction form
    805,636,735.20/1,111,777,063.56 = 453,212,973.36/x
  3. Step 3: Cross multiply
    805,636,735.20x = 1,111,777,063.56 × 453,212,973.36
  4. Step 4: Simplify right side
    805,636,735.20x = 503,871,788,689,477,312
  5. Step 5: Solve for x
    x = 503,871,788,689,477,312/805,636,735.20
  6. Step 6: Final answer
    x = 625,432,985.70

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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.