Home / 1,160,913,807.48-1,602,061,054.38-639,393,039.48

Finding the Fourth Proportional to 1,160,913,807.48, 1,602,061,054.38 and 639,393,039.48

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Solution

The fourth proportional to 1,160,913,807.48, 1,602,061,054.38 and 639,393,039.48 is: 882,362,394.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,913,807.48 : 1,602,061,054.38 = 639,393,039.48 : x
  2. Step 2: Convert to fraction form
    1,160,913,807.48/1,602,061,054.38 = 639,393,039.48/x
  3. Step 3: Cross multiply
    1,160,913,807.48x = 1,602,061,054.38 × 639,393,039.48
  4. Step 4: Simplify right side
    1,160,913,807.48x = 1,024,346,686,992,561,920
  5. Step 5: Solve for x
    x = 1,024,346,686,992,561,920/1,160,913,807.48
  6. Step 6: Final answer
    x = 882,362,394.51

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Double scale
Find fourth proportional to 1,160,913,808.48, 1,602,061,055.76 and 639,393,040.48
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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.