Home / 828,803,378.57-1,143,742,844.03-452,459,966.28

Finding the Fourth Proportional to 828,803,378.57, 1,143,742,844.03 and 452,459,966.28

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Solution

The fourth proportional to 828,803,378.57, 1,143,742,844.03 and 452,459,966.28 is: 624,391,577.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,803,378.57 : 1,143,742,844.03 = 452,459,966.28 : x
  2. Step 2: Convert to fraction form
    828,803,378.57/1,143,742,844.03 = 452,459,966.28/x
  3. Step 3: Cross multiply
    828,803,378.57x = 1,143,742,844.03 × 452,459,966.28
  4. Step 4: Simplify right side
    828,803,378.57x = 517,497,848,638,814,528
  5. Step 5: Solve for x
    x = 517,497,848,638,814,528/828,803,378.57
  6. Step 6: Final answer
    x = 624,391,577.09

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1.5x scale

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.