Home / 1,077,209,002.14-1,616,280,121.53-578,637,764.70

Finding the Fourth Proportional to 1,077,209,002.14, 1,616,280,121.53 and 578,637,764.70

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Solution

The fourth proportional to 1,077,209,002.14, 1,616,280,121.53 and 578,637,764.70 is: 868,207,297.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,209,002.14 : 1,616,280,121.53 = 578,637,764.70 : x
  2. Step 2: Convert to fraction form
    1,077,209,002.14/1,616,280,121.53 = 578,637,764.70/x
  3. Step 3: Cross multiply
    1,077,209,002.14x = 1,616,280,121.53 × 578,637,764.70
  4. Step 4: Simplify right side
    1,077,209,002.14x = 935,240,716,651,163,648
  5. Step 5: Solve for x
    x = 935,240,716,651,163,648/1,077,209,002.14
  6. Step 6: Final answer
    x = 868,207,297.56

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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.