Home / 653,248,750.51-900,877,738.76-476,757,189.55

Finding the Fourth Proportional to 653,248,750.51, 900,877,738.76 and 476,757,189.55

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Solution

The fourth proportional to 653,248,750.51, 900,877,738.76 and 476,757,189.55 is: 657,482,985.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,248,750.51 : 900,877,738.76 = 476,757,189.55 : x
  2. Step 2: Convert to fraction form
    653,248,750.51/900,877,738.76 = 476,757,189.55/x
  3. Step 3: Cross multiply
    653,248,750.51x = 900,877,738.76 × 476,757,189.55
  4. Step 4: Simplify right side
    653,248,750.51x = 429,499,938,856,992,896
  5. Step 5: Solve for x
    x = 429,499,938,856,992,896/653,248,750.51
  6. Step 6: Final answer
    x = 657,482,985.65

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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.