Home / 779,445,342.28-1,075,634,200.02-466,179,550.12

Finding the Fourth Proportional to 779,445,342.28, 1,075,634,200.02 and 466,179,550.12

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Solution

The fourth proportional to 779,445,342.28, 1,075,634,200.02 and 466,179,550.12 is: 643,327,556.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,445,342.28 : 1,075,634,200.02 = 466,179,550.12 : x
  2. Step 2: Convert to fraction form
    779,445,342.28/1,075,634,200.02 = 466,179,550.12/x
  3. Step 3: Cross multiply
    779,445,342.28x = 1,075,634,200.02 × 466,179,550.12
  4. Step 4: Simplify right side
    779,445,342.28x = 501,438,667,459,009,664
  5. Step 5: Solve for x
    x = 501,438,667,459,009,664/779,445,342.28
  6. Step 6: Final answer
    x = 643,327,556.48

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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.