Home / 1,065,312,117.30-1,597,968,175.95-299,407,221.30

Finding the Fourth Proportional to 1,065,312,117.30, 1,597,968,175.95 and 299,407,221.30

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Solution

The fourth proportional to 1,065,312,117.30, 1,597,968,175.95 and 299,407,221.30 is: 449,110,831.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,312,117.30 : 1,597,968,175.95 = 299,407,221.30 : x
  2. Step 2: Convert to fraction form
    1,065,312,117.30/1,597,968,175.95 = 299,407,221.30/x
  3. Step 3: Cross multiply
    1,065,312,117.30x = 1,597,968,175.95 × 299,407,221.30
  4. Step 4: Simplify right side
    1,065,312,117.30x = 478,443,211,287,019,008
  5. Step 5: Solve for x
    x = 478,443,211,287,019,008/1,065,312,117.30
  6. Step 6: Final answer
    x = 449,110,831.95

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Double scale
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Similar ratio
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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.