Home / 1,256,105,275.88-1,884,438,913.25-382,774,994.55

Finding the Fourth Proportional to 1,256,105,275.88, 1,884,438,913.25 and 382,774,994.55

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Solution

The fourth proportional to 1,256,105,275.88, 1,884,438,913.25 and 382,774,994.55 is: 574,248,121.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,105,275.88 : 1,884,438,913.25 = 382,774,994.55 : x
  2. Step 2: Convert to fraction form
    1,256,105,275.88/1,884,438,913.25 = 382,774,994.55/x
  3. Step 3: Cross multiply
    1,256,105,275.88x = 1,884,438,913.25 × 382,774,994.55
  4. Step 4: Simplify right side
    1,256,105,275.88x = 721,316,094,756,091,520
  5. Step 5: Solve for x
    x = 721,316,094,756,091,520/1,256,105,275.88
  6. Step 6: Final answer
    x = 574,248,121.24

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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.