Home / 257,916,829.60-386,875,244.40-243,136,208.80

Finding the Fourth Proportional to 257,916,829.60, 386,875,244.40 and 243,136,208.80

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Solution

The fourth proportional to 257,916,829.60, 386,875,244.40 and 243,136,208.80 is: 364,704,313.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,916,829.60 : 386,875,244.40 = 243,136,208.80 : x
  2. Step 2: Convert to fraction form
    257,916,829.60/386,875,244.40 = 243,136,208.80/x
  3. Step 3: Cross multiply
    257,916,829.60x = 386,875,244.40 × 243,136,208.80
  4. Step 4: Simplify right side
    257,916,829.60x = 94,063,380,201,989,424
  5. Step 5: Solve for x
    x = 94,063,380,201,989,424/257,916,829.60
  6. Step 6: Final answer
    x = 364,704,313.20

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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.