Home / 1,047,329,085.71-1,571,376,698.46-487,357,980.63

Finding the Fourth Proportional to 1,047,329,085.71, 1,571,376,698.46 and 487,357,980.63

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Solution

The fourth proportional to 1,047,329,085.71, 1,571,376,698.46 and 487,357,980.63 is: 731,215,226.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,329,085.71 : 1,571,376,698.46 = 487,357,980.63 : x
  2. Step 2: Convert to fraction form
    1,047,329,085.71/1,571,376,698.46 = 487,357,980.63/x
  3. Step 3: Cross multiply
    1,047,329,085.71x = 1,571,376,698.46 × 487,357,980.63
  4. Step 4: Simplify right side
    1,047,329,085.71x = 765,822,974,564,609,408
  5. Step 5: Solve for x
    x = 765,822,974,564,609,408/1,047,329,085.71
  6. Step 6: Final answer
    x = 731,215,226.44

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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.