Home / 21,429,362,823.44-29,574,174,952.60-12,856,110,553.22

Finding the Fourth Proportional to 21,429,362,823.44, 29,574,174,952.60 and 12,856,110,553.22

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Solution

The fourth proportional to 21,429,362,823.44, 29,574,174,952.60 and 12,856,110,553.22 is: 17,742,425,000.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,429,362,823.44 : 29,574,174,952.60 = 12,856,110,553.22 : x
  2. Step 2: Convert to fraction form
    21,429,362,823.44/29,574,174,952.60 = 12,856,110,553.22/x
  3. Step 3: Cross multiply
    21,429,362,823.44x = 29,574,174,952.60 × 12,856,110,553.22
  4. Step 4: Simplify right side
    21,429,362,823.44x = 380,208,862,710,895,411,200
  5. Step 5: Solve for x
    x = 380,208,862,710,895,411,200/21,429,362,823.44
  6. Step 6: Final answer
    x = 17,742,425,000.85

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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.