Home / 5,355,347,461.02-7,392,458,174.54-4,021,090,428.78

Finding the Fourth Proportional to 5,355,347,461.02, 7,392,458,174.54 and 4,021,090,428.78

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Solution

The fourth proportional to 5,355,347,461.02, 7,392,458,174.54 and 4,021,090,428.78 is: 5,550,665,578.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355,347,461.02 : 7,392,458,174.54 = 4,021,090,428.78 : x
  2. Step 2: Convert to fraction form
    5,355,347,461.02/7,392,458,174.54 = 4,021,090,428.78/x
  3. Step 3: Cross multiply
    5,355,347,461.02x = 7,392,458,174.54 × 4,021,090,428.78
  4. Step 4: Simplify right side
    5,355,347,461.02x = 29,725,742,810,779,160,576
  5. Step 5: Solve for x
    x = 29,725,742,810,779,160,576/5,355,347,461.02
  6. Step 6: Final answer
    x = 5,550,665,578.12

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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.