Home / 1,294,732,365.16-1,786,727,303.30-722,509,417.81

Finding the Fourth Proportional to 1,294,732,365.16, 1,786,727,303.30 and 722,509,417.81

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Solution

The fourth proportional to 1,294,732,365.16, 1,786,727,303.30 and 722,509,417.81 is: 997,061,121.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,732,365.16 : 1,786,727,303.30 = 722,509,417.81 : x
  2. Step 2: Convert to fraction form
    1,294,732,365.16/1,786,727,303.30 = 722,509,417.81/x
  3. Step 3: Cross multiply
    1,294,732,365.16x = 1,786,727,303.30 × 722,509,417.81
  4. Step 4: Simplify right side
    1,294,732,365.16x = 1,290,927,303,692,514,048
  5. Step 5: Solve for x
    x = 1,290,927,303,692,514,048/1,294,732,365.16
  6. Step 6: Final answer
    x = 997,061,121.22

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Double scale
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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.