Home / 448,911,827.68-619,510,465.20-272,659,404.64

Finding the Fourth Proportional to 448,911,827.68, 619,510,465.20 and 272,659,404.64

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Solution

The fourth proportional to 448,911,827.68, 619,510,465.20 and 272,659,404.64 is: 376,277,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,911,827.68 : 619,510,465.20 = 272,659,404.64 : x
  2. Step 2: Convert to fraction form
    448,911,827.68/619,510,465.20 = 272,659,404.64/x
  3. Step 3: Cross multiply
    448,911,827.68x = 619,510,465.20 × 272,659,404.64
  4. Step 4: Simplify right side
    448,911,827.68x = 168,915,354,609,681,440
  5. Step 5: Solve for x
    x = 168,915,354,609,681,440/448,911,827.68
  6. Step 6: Final answer
    x = 376,277,353.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.