Home / 1,156,925,915.84-1,596,789,494.88-687,288,136.16

Finding the Fourth Proportional to 1,156,925,915.84, 1,596,789,494.88 and 687,288,136.16

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Solution

The fourth proportional to 1,156,925,915.84, 1,596,789,494.88 and 687,288,136.16 is: 948,595,290.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,925,915.84 : 1,596,789,494.88 = 687,288,136.16 : x
  2. Step 2: Convert to fraction form
    1,156,925,915.84/1,596,789,494.88 = 687,288,136.16/x
  3. Step 3: Cross multiply
    1,156,925,915.84x = 1,596,789,494.88 × 687,288,136.16
  4. Step 4: Simplify right side
    1,156,925,915.84x = 1,097,454,475,775,943,040
  5. Step 5: Solve for x
    x = 1,097,454,475,775,943,040/1,156,925,915.84
  6. Step 6: Final answer
    x = 948,595,290.98

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Double scale
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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.