Home / 1,132,657,683.29-1,563,146,162.05-686,639,845.32

Finding the Fourth Proportional to 1,132,657,683.29, 1,563,146,162.05 and 686,639,845.32

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Solution

The fourth proportional to 1,132,657,683.29, 1,563,146,162.05 and 686,639,845.32 is: 947,610,610.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,657,683.29 : 1,563,146,162.05 = 686,639,845.32 : x
  2. Step 2: Convert to fraction form
    1,132,657,683.29/1,563,146,162.05 = 686,639,845.32/x
  3. Step 3: Cross multiply
    1,132,657,683.29x = 1,563,146,162.05 × 686,639,845.32
  4. Step 4: Simplify right side
    1,132,657,683.29x = 1,073,318,438,922,563,712
  5. Step 5: Solve for x
    x = 1,073,318,438,922,563,712/1,132,657,683.29
  6. Step 6: Final answer
    x = 947,610,610.66

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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.