Home / 1,947,125,115.84-2,920,662,162.36-473,260,643.40

Finding the Fourth Proportional to 1,947,125,115.84, 2,920,662,162.36 and 473,260,643.40

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Solution

The fourth proportional to 1,947,125,115.84, 2,920,662,162.36 and 473,260,643.40 is: 709,884,764.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,125,115.84 : 2,920,662,162.36 = 473,260,643.40 : x
  2. Step 2: Convert to fraction form
    1,947,125,115.84/2,920,662,162.36 = 473,260,643.40/x
  3. Step 3: Cross multiply
    1,947,125,115.84x = 2,920,662,162.36 × 473,260,643.40
  4. Step 4: Simplify right side
    1,947,125,115.84x = 1,382,234,454,112,528,896
  5. Step 5: Solve for x
    x = 1,382,234,454,112,528,896/1,947,125,115.84
  6. Step 6: Final answer
    x = 709,884,764.40

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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.