Home / 673,069,548.60-1,009,604,322.90-213,043,721.40

Finding the Fourth Proportional to 673,069,548.60, 1,009,604,322.90 and 213,043,721.40

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Solution

The fourth proportional to 673,069,548.60, 1,009,604,322.90 and 213,043,721.40 is: 319,565,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,069,548.60 : 1,009,604,322.90 = 213,043,721.40 : x
  2. Step 2: Convert to fraction form
    673,069,548.60/1,009,604,322.90 = 213,043,721.40/x
  3. Step 3: Cross multiply
    673,069,548.60x = 1,009,604,322.90 × 213,043,721.40
  4. Step 4: Simplify right side
    673,069,548.60x = 215,089,862,092,143,232
  5. Step 5: Solve for x
    x = 215,089,862,092,143,232/673,069,548.60
  6. Step 6: Final answer
    x = 319,565,582.10

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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.