Home / 692,940,050.16-1,039,069,951.56-342,781,547.28

Finding the Fourth Proportional to 692,940,050.16, 1,039,069,951.56 and 342,781,547.28

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Solution

The fourth proportional to 692,940,050.16, 1,039,069,951.56 and 342,781,547.28 is: 514,004,069.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,940,050.16 : 1,039,069,951.56 = 342,781,547.28 : x
  2. Step 2: Convert to fraction form
    692,940,050.16/1,039,069,951.56 = 342,781,547.28/x
  3. Step 3: Cross multiply
    692,940,050.16x = 1,039,069,951.56 × 342,781,547.28
  4. Step 4: Simplify right side
    692,940,050.16x = 356,174,005,727,891,392
  5. Step 5: Solve for x
    x = 356,174,005,727,891,392/692,940,050.16
  6. Step 6: Final answer
    x = 514,004,069.54

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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.