Home / 825,637,334.32-1,139,123,011.68-468,346,225.60

Finding the Fourth Proportional to 825,637,334.32, 1,139,123,011.68 and 468,346,225.60

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Solution

The fourth proportional to 825,637,334.32, 1,139,123,011.68 and 468,346,225.60 is: 646,172,285.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,637,334.32 : 1,139,123,011.68 = 468,346,225.60 : x
  2. Step 2: Convert to fraction form
    825,637,334.32/1,139,123,011.68 = 468,346,225.60/x
  3. Step 3: Cross multiply
    825,637,334.32x = 1,139,123,011.68 × 468,346,225.60
  4. Step 4: Simplify right side
    825,637,334.32x = 533,503,963,014,432,768
  5. Step 5: Solve for x
    x = 533,503,963,014,432,768/825,637,334.32
  6. Step 6: Final answer
    x = 646,172,285.14

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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.