Home / 673,222,221.60-1,009,833,332.40-310,425,165.60

Finding the Fourth Proportional to 673,222,221.60, 1,009,833,332.40 and 310,425,165.60

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Solution

The fourth proportional to 673,222,221.60, 1,009,833,332.40 and 310,425,165.60 is: 465,637,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,222,221.60 : 1,009,833,332.40 = 310,425,165.60 : x
  2. Step 2: Convert to fraction form
    673,222,221.60/1,009,833,332.40 = 310,425,165.60/x
  3. Step 3: Cross multiply
    673,222,221.60x = 1,009,833,332.40 × 310,425,165.60
  4. Step 4: Simplify right side
    673,222,221.60x = 313,477,679,438,669,888
  5. Step 5: Solve for x
    x = 313,477,679,438,669,888/673,222,221.60
  6. Step 6: Final answer
    x = 465,637,748.40

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1.5x scale

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.