Home / 1,036,638,128.30-1,554,957,192.45-649,217,639.30

Finding the Fourth Proportional to 1,036,638,128.30, 1,554,957,192.45 and 649,217,639.30

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Solution

The fourth proportional to 1,036,638,128.30, 1,554,957,192.45 and 649,217,639.30 is: 973,826,458.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,638,128.30 : 1,554,957,192.45 = 649,217,639.30 : x
  2. Step 2: Convert to fraction form
    1,036,638,128.30/1,554,957,192.45 = 649,217,639.30/x
  3. Step 3: Cross multiply
    1,036,638,128.30x = 1,554,957,192.45 × 649,217,639.30
  4. Step 4: Simplify right side
    1,036,638,128.30x = 1,009,505,637,694,944,768
  5. Step 5: Solve for x
    x = 1,009,505,637,694,944,768/1,036,638,128.30
  6. Step 6: Final answer
    x = 973,826,458.95

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Double scale
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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.