Home / 1,130,834,889.40-1,696,268,001.30-745,126,857.40

Finding the Fourth Proportional to 1,130,834,889.40, 1,696,268,001.30 and 745,126,857.40

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Solution

The fourth proportional to 1,130,834,889.40, 1,696,268,001.30 and 745,126,857.40 is: 1,117,700,609.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,834,889.40 : 1,696,268,001.30 = 745,126,857.40 : x
  2. Step 2: Convert to fraction form
    1,130,834,889.40/1,696,268,001.30 = 745,126,857.40/x
  3. Step 3: Cross multiply
    1,130,834,889.40x = 1,696,268,001.30 × 745,126,857.40
  4. Step 4: Simplify right side
    1,130,834,889.40x = 1,263,934,845,116,848,128
  5. Step 5: Solve for x
    x = 1,263,934,845,116,848,128/1,130,834,889.40
  6. Step 6: Final answer
    x = 1,117,700,609.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.