Home / 712,976,013.09-1,068,709,206.60-239,824,624.50

Finding the Fourth Proportional to 712,976,013.09, 1,068,709,206.60 and 239,824,624.50

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Solution

The fourth proportional to 712,976,013.09, 1,068,709,206.60 and 239,824,624.50 is: 359,483,039.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,976,013.09 : 1,068,709,206.60 = 239,824,624.50 : x
  2. Step 2: Convert to fraction form
    712,976,013.09/1,068,709,206.60 = 239,824,624.50/x
  3. Step 3: Cross multiply
    712,976,013.09x = 1,068,709,206.60 × 239,824,624.50
  4. Step 4: Simplify right side
    712,976,013.09x = 256,302,784,172,537,920
  5. Step 5: Solve for x
    x = 256,302,784,172,537,920/712,976,013.09
  6. Step 6: Final answer
    x = 359,483,039.35

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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.