Home / 1,424,842,200.02-1,966,354,809.64-821,788,558.54

Finding the Fourth Proportional to 1,424,842,200.02, 1,966,354,809.64 and 821,788,558.54

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Solution

The fourth proportional to 1,424,842,200.02, 1,966,354,809.64 and 821,788,558.54 is: 1,134,110,068.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,842,200.02 : 1,966,354,809.64 = 821,788,558.54 : x
  2. Step 2: Convert to fraction form
    1,424,842,200.02/1,966,354,809.64 = 821,788,558.54/x
  3. Step 3: Cross multiply
    1,424,842,200.02x = 1,966,354,809.64 × 821,788,558.54
  4. Step 4: Simplify right side
    1,424,842,200.02x = 1,615,927,884,592,251,648
  5. Step 5: Solve for x
    x = 1,615,927,884,592,251,648/1,424,842,200.02
  6. Step 6: Final answer
    x = 1,134,110,068.17

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Double scale
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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.