Home / 852,897,323.05-1,176,925,256.94-490,803,015.76

Finding the Fourth Proportional to 852,897,323.05, 1,176,925,256.94 and 490,803,015.76

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Solution

The fourth proportional to 852,897,323.05, 1,176,925,256.94 and 490,803,015.76 is: 677,266,125.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,897,323.05 : 1,176,925,256.94 = 490,803,015.76 : x
  2. Step 2: Convert to fraction form
    852,897,323.05/1,176,925,256.94 = 490,803,015.76/x
  3. Step 3: Cross multiply
    852,897,323.05x = 1,176,925,256.94 × 490,803,015.76
  4. Step 4: Simplify right side
    852,897,323.05x = 577,638,465,429,138,560
  5. Step 5: Solve for x
    x = 577,638,465,429,138,560/852,897,323.05
  6. Step 6: Final answer
    x = 677,266,125.50

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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.