Home / 463,648,946.40-695,473,419.60-415,276,005.60

Finding the Fourth Proportional to 463,648,946.40, 695,473,419.60 and 415,276,005.60

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Solution

The fourth proportional to 463,648,946.40, 695,473,419.60 and 415,276,005.60 is: 622,914,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,648,946.40 : 695,473,419.60 = 415,276,005.60 : x
  2. Step 2: Convert to fraction form
    463,648,946.40/695,473,419.60 = 415,276,005.60/x
  3. Step 3: Cross multiply
    463,648,946.40x = 695,473,419.60 × 415,276,005.60
  4. Step 4: Simplify right side
    463,648,946.40x = 288,813,423,692,460,800
  5. Step 5: Solve for x
    x = 288,813,423,692,460,800/463,648,946.40
  6. Step 6: Final answer
    x = 622,914,008.40

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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.