Home / 673,802,643.60-1,010,703,965.40-311,005,587.60

Finding the Fourth Proportional to 673,802,643.60, 1,010,703,965.40 and 311,005,587.60

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Solution

The fourth proportional to 673,802,643.60, 1,010,703,965.40 and 311,005,587.60 is: 466,508,381.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,802,643.60 : 1,010,703,965.40 = 311,005,587.60 : x
  2. Step 2: Convert to fraction form
    673,802,643.60/1,010,703,965.40 = 311,005,587.60/x
  3. Step 3: Cross multiply
    673,802,643.60x = 1,010,703,965.40 × 311,005,587.60
  4. Step 4: Simplify right side
    673,802,643.60x = 314,334,580,648,877,056
  5. Step 5: Solve for x
    x = 314,334,580,648,877,056/673,802,643.60
  6. Step 6: Final answer
    x = 466,508,381.40

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Double scale
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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.