Home / 885,346,353.47-1,221,336,676.64-527,862,009.81

Finding the Fourth Proportional to 885,346,353.47, 1,221,336,676.64 and 527,862,009.81

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Solution

The fourth proportional to 885,346,353.47, 1,221,336,676.64 and 527,862,009.81 is: 728,186,466.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,346,353.47 : 1,221,336,676.64 = 527,862,009.81 : x
  2. Step 2: Convert to fraction form
    885,346,353.47/1,221,336,676.64 = 527,862,009.81/x
  3. Step 3: Cross multiply
    885,346,353.47x = 1,221,336,676.64 × 527,862,009.81
  4. Step 4: Simplify right side
    885,346,353.47x = 644,697,232,779,640,064
  5. Step 5: Solve for x
    x = 644,697,232,779,640,064/885,346,353.47
  6. Step 6: Final answer
    x = 728,186,466.52

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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.