Home / 867,615,428.70-1,196,866,561.47-554,019,924.06

Finding the Fourth Proportional to 867,615,428.70, 1,196,866,561.47 and 554,019,924.06

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Solution

The fourth proportional to 867,615,428.70, 1,196,866,561.47 and 554,019,924.06 is: 764,264,787.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,615,428.70 : 1,196,866,561.47 = 554,019,924.06 : x
  2. Step 2: Convert to fraction form
    867,615,428.70/1,196,866,561.47 = 554,019,924.06/x
  3. Step 3: Cross multiply
    867,615,428.70x = 1,196,866,561.47 × 554,019,924.06
  4. Step 4: Simplify right side
    867,615,428.70x = 663,087,921,495,562,624
  5. Step 5: Solve for x
    x = 663,087,921,495,562,624/867,615,428.70
  6. Step 6: Final answer
    x = 764,264,787.79

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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.