Home / 21,256,977,345.40-31,885,466,018.10-21,256,977,345.40

Finding the Fourth Proportional to 21,256,977,345.40, 31,885,466,018.10 and 21,256,977,345.40

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Solution

The fourth proportional to 21,256,977,345.40, 31,885,466,018.10 and 21,256,977,345.40 is: 31,885,466,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,256,977,345.40 : 31,885,466,018.10 = 21,256,977,345.40 : x
  2. Step 2: Convert to fraction form
    21,256,977,345.40/31,885,466,018.10 = 21,256,977,345.40/x
  3. Step 3: Cross multiply
    21,256,977,345.40x = 31,885,466,018.10 × 21,256,977,345.40
  4. Step 4: Simplify right side
    21,256,977,345.40x = 677,788,628,794,273,300,480
  5. Step 5: Solve for x
    x = 677,788,628,794,273,300,480/21,256,977,345.40
  6. Step 6: Final answer
    x = 31,885,466,018.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.