Home / 947,797,258.80-1,307,953,079.71-530,109,564.60

Finding the Fourth Proportional to 947,797,258.80, 1,307,953,079.71 and 530,109,564.60

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Solution

The fourth proportional to 947,797,258.80, 1,307,953,079.71 and 530,109,564.60 is: 731,547,207.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,797,258.80 : 1,307,953,079.71 = 530,109,564.60 : x
  2. Step 2: Convert to fraction form
    947,797,258.80/1,307,953,079.71 = 530,109,564.60/x
  3. Step 3: Cross multiply
    947,797,258.80x = 1,307,953,079.71 × 530,109,564.60
  4. Step 4: Simplify right side
    947,797,258.80x = 693,358,437,600,971,904
  5. Step 5: Solve for x
    x = 693,358,437,600,971,904/947,797,258.80
  6. Step 6: Final answer
    x = 731,547,207.13

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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.