Home / 695,473,209.60-1,043,209,814.40-313,267,257.60

Finding the Fourth Proportional to 695,473,209.60, 1,043,209,814.40 and 313,267,257.60

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Solution

The fourth proportional to 695,473,209.60, 1,043,209,814.40 and 313,267,257.60 is: 469,900,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,473,209.60 : 1,043,209,814.40 = 313,267,257.60 : x
  2. Step 2: Convert to fraction form
    695,473,209.60/1,043,209,814.40 = 313,267,257.60/x
  3. Step 3: Cross multiply
    695,473,209.60x = 1,043,209,814.40 × 313,267,257.60
  4. Step 4: Simplify right side
    695,473,209.60x = 326,803,477,658,492,992
  5. Step 5: Solve for x
    x = 326,803,477,658,492,992/695,473,209.60
  6. Step 6: Final answer
    x = 469,900,886.40

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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.