Home / 13,153,350,358.60-18,151,859,048.16-7,132,058,874.76

Finding the Fourth Proportional to 13,153,350,358.60, 18,151,859,048.16 and 7,132,058,874.76

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Solution

The fourth proportional to 13,153,350,358.60, 18,151,859,048.16 and 7,132,058,874.76 is: 9,842,368,969.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153,350,358.60 : 18,151,859,048.16 = 7,132,058,874.76 : x
  2. Step 2: Convert to fraction form
    13,153,350,358.60/18,151,859,048.16 = 7,132,058,874.76/x
  3. Step 3: Cross multiply
    13,153,350,358.60x = 18,151,859,048.16 × 7,132,058,874.76
  4. Step 4: Simplify right side
    13,153,350,358.60x = 129,460,127,417,822,134,272
  5. Step 5: Solve for x
    x = 129,460,127,417,822,134,272/13,153,350,358.60
  6. Step 6: Final answer
    x = 9,842,368,969.76

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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.