Home / 1,006,456,802.13-1,388,897,145.07-554,326,088.67

Finding the Fourth Proportional to 1,006,456,802.13, 1,388,897,145.07 and 554,326,088.67

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Solution

The fourth proportional to 1,006,456,802.13, 1,388,897,145.07 and 554,326,088.67 is: 764,962,709.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,456,802.13 : 1,388,897,145.07 = 554,326,088.67 : x
  2. Step 2: Convert to fraction form
    1,006,456,802.13/1,388,897,145.07 = 554,326,088.67/x
  3. Step 3: Cross multiply
    1,006,456,802.13x = 1,388,897,145.07 × 554,326,088.67
  4. Step 4: Simplify right side
    1,006,456,802.13x = 769,901,921,990,196,864
  5. Step 5: Solve for x
    x = 769,901,921,990,196,864/1,006,456,802.13
  6. Step 6: Final answer
    x = 764,962,709.14

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Double scale
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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.