Home / 919,196,975.16-1,370,699,957.88-910,906,495.56

Finding the Fourth Proportional to 919,196,975.16, 1,370,699,957.88 and 910,906,495.56

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Solution

The fourth proportional to 919,196,975.16, 1,370,699,957.88 and 910,906,495.56 is: 1,358,337,253.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,196,975.16 : 1,370,699,957.88 = 910,906,495.56 : x
  2. Step 2: Convert to fraction form
    919,196,975.16/1,370,699,957.88 = 910,906,495.56/x
  3. Step 3: Cross multiply
    919,196,975.16x = 1,370,699,957.88 × 910,906,495.56
  4. Step 4: Simplify right side
    919,196,975.16x = 1,248,579,495,096,710,400
  5. Step 5: Solve for x
    x = 1,248,579,495,096,710,400/919,196,975.16
  6. Step 6: Final answer
    x = 1,358,337,253.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.