Home / 1,357,100,925.89-1,872,688,916.45-762,353,099.33

Finding the Fourth Proportional to 1,357,100,925.89, 1,872,688,916.45 and 762,353,099.33

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Solution

The fourth proportional to 1,357,100,925.89, 1,872,688,916.45 and 762,353,099.33 is: 1,051,985,281.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,100,925.89 : 1,872,688,916.45 = 762,353,099.33 : x
  2. Step 2: Convert to fraction form
    1,357,100,925.89/1,872,688,916.45 = 762,353,099.33/x
  3. Step 3: Cross multiply
    1,357,100,925.89x = 1,872,688,916.45 × 762,353,099.33
  4. Step 4: Simplify right side
    1,357,100,925.89x = 1,427,650,199,529,139,456
  5. Step 5: Solve for x
    x = 1,427,650,199,529,139,456/1,357,100,925.89
  6. Step 6: Final answer
    x = 1,051,985,281.49

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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.