Home / 982,111,664.91-1,355,111,776.96-564,343,237.60

Finding the Fourth Proportional to 982,111,664.91, 1,355,111,776.96 and 564,343,237.60

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Solution

The fourth proportional to 982,111,664.91, 1,355,111,776.96 and 564,343,237.60 is: 778,677,409.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,111,664.91 : 1,355,111,776.96 = 564,343,237.60 : x
  2. Step 2: Convert to fraction form
    982,111,664.91/1,355,111,776.96 = 564,343,237.60/x
  3. Step 3: Cross multiply
    982,111,664.91x = 1,355,111,776.96 × 564,343,237.60
  4. Step 4: Simplify right side
    982,111,664.91x = 764,748,167,519,495,552
  5. Step 5: Solve for x
    x = 764,748,167,519,495,552/982,111,664.91
  6. Step 6: Final answer
    x = 778,677,409.96

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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.