Home / 28,343,579,887.95-39,115,328,541.43-16,300,600,098.72

Finding the Fourth Proportional to 28,343,579,887.95, 39,115,328,541.43 and 16,300,600,098.72

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Solution

The fourth proportional to 28,343,579,887.95, 39,115,328,541.43 and 16,300,600,098.72 is: 22,495,511,533.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,343,579,887.95 : 39,115,328,541.43 = 16,300,600,098.72 : x
  2. Step 2: Convert to fraction form
    28,343,579,887.95/39,115,328,541.43 = 16,300,600,098.72/x
  3. Step 3: Cross multiply
    28,343,579,887.95x = 39,115,328,541.43 × 16,300,600,098.72
  4. Step 4: Simplify right side
    28,343,579,887.95x = 637,603,328,283,817,672,704
  5. Step 5: Solve for x
    x = 637,603,328,283,817,672,704/28,343,579,887.95
  6. Step 6: Final answer
    x = 22,495,511,533.98

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Double scale
Find fourth proportional to 28,343,579,888.95, 39,115,328,542.81 and 16,300,600,099.72
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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.