Home / 947,797,258.05-1,307,953,078.67-530,109,563.85

Finding the Fourth Proportional to 947,797,258.05, 1,307,953,078.67 and 530,109,563.85

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Solution

The fourth proportional to 947,797,258.05, 1,307,953,078.67 and 530,109,563.85 is: 731,547,206.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,797,258.05 : 1,307,953,078.67 = 530,109,563.85 : x
  2. Step 2: Convert to fraction form
    947,797,258.05/1,307,953,078.67 = 530,109,563.85/x
  3. Step 3: Cross multiply
    947,797,258.05x = 1,307,953,078.67 × 530,109,563.85
  4. Step 4: Simplify right side
    947,797,258.05x = 693,358,436,071,343,744
  5. Step 5: Solve for x
    x = 693,358,436,071,343,744/947,797,258.05
  6. Step 6: Final answer
    x = 731,547,206.10

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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.