Home / 842,804,977,349.48-1,162,871,525,866.40-476,999,180,502.78

Finding the Fourth Proportional to 842,804,977,349.48, 1,162,871,525,866.40 and 476,999,180,502.78

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Solution

The fourth proportional to 842,804,977,349.48, 1,162,871,525,866.40 and 476,999,180,502.78 is: 658,146,047,752.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,804,977,349.48 : 1,162,871,525,866.40 = 476,999,180,502.78 : x
  2. Step 2: Convert to fraction form
    842,804,977,349.48/1,162,871,525,866.40 = 476,999,180,502.78/x
  3. Step 3: Cross multiply
    842,804,977,349.48x = 1,162,871,525,866.40 × 476,999,180,502.78
  4. Step 4: Simplify right side
    842,804,977,349.48x = 554,688,764,868,290,127,331,328
  5. Step 5: Solve for x
    x = 554,688,764,868,290,127,331,328/842,804,977,349.48
  6. Step 6: Final answer
    x = 658,146,047,752.02

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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.