Home / 630,424,212.30-943,085,401.65-553,896,708.30

Finding the Fourth Proportional to 630,424,212.30, 943,085,401.65 and 553,896,708.30

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Solution

The fourth proportional to 630,424,212.30, 943,085,401.65 and 553,896,708.30 is: 828,603,802.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,424,212.30 : 943,085,401.65 = 553,896,708.30 : x
  2. Step 2: Convert to fraction form
    630,424,212.30/943,085,401.65 = 553,896,708.30/x
  3. Step 3: Cross multiply
    630,424,212.30x = 943,085,401.65 × 553,896,708.30
  4. Step 4: Simplify right side
    630,424,212.30x = 522,371,899,619,718,336
  5. Step 5: Solve for x
    x = 522,371,899,619,718,336/630,424,212.30
  6. Step 6: Final answer
    x = 828,603,802.69

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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.