Home / 680,012,150.40-1,018,317,614.40-543,963,254.40

Finding the Fourth Proportional to 680,012,150.40, 1,018,317,614.40 and 543,963,254.40

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Solution

The fourth proportional to 680,012,150.40, 1,018,317,614.40 and 543,963,254.40 is: 814,584,508.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,012,150.40 : 1,018,317,614.40 = 543,963,254.40 : x
  2. Step 2: Convert to fraction form
    680,012,150.40/1,018,317,614.40 = 543,963,254.40/x
  3. Step 3: Cross multiply
    680,012,150.40x = 1,018,317,614.40 × 543,963,254.40
  4. Step 4: Simplify right side
    680,012,150.40x = 553,927,363,541,868,288
  5. Step 5: Solve for x
    x = 553,927,363,541,868,288/680,012,150.40
  6. Step 6: Final answer
    x = 814,584,508.84

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1.5x scale

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.