Home / 1,191,028,365.51-1,643,610,073.45-655,168,521.24

Finding the Fourth Proportional to 1,191,028,365.51, 1,643,610,073.45 and 655,168,521.24

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Solution

The fourth proportional to 1,191,028,365.51, 1,643,610,073.45 and 655,168,521.24 is: 904,127,569.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,028,365.51 : 1,643,610,073.45 = 655,168,521.24 : x
  2. Step 2: Convert to fraction form
    1,191,028,365.51/1,643,610,073.45 = 655,168,521.24/x
  3. Step 3: Cross multiply
    1,191,028,365.51x = 1,643,610,073.45 × 655,168,521.24
  4. Step 4: Simplify right side
    1,191,028,365.51x = 1,076,841,581,317,404,288
  5. Step 5: Solve for x
    x = 1,076,841,581,317,404,288/1,191,028,365.51
  6. Step 6: Final answer
    x = 904,127,569.50

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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.