Home / 1,684,418,149.07-2,312,324,758.47-1,445,849,157.25

Finding the Fourth Proportional to 1,684,418,149.07, 2,312,324,758.47 and 1,445,849,157.25

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Solution

The fourth proportional to 1,684,418,149.07, 2,312,324,758.47 and 1,445,849,157.25 is: 1,984,823,545.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,418,149.07 : 2,312,324,758.47 = 1,445,849,157.25 : x
  2. Step 2: Convert to fraction form
    1,684,418,149.07/2,312,324,758.47 = 1,445,849,157.25/x
  3. Step 3: Cross multiply
    1,684,418,149.07x = 2,312,324,758.47 × 1,445,849,157.25
  4. Step 4: Simplify right side
    1,684,418,149.07x = 3,343,272,803,316,784,640
  5. Step 5: Solve for x
    x = 3,343,272,803,316,784,640/1,684,418,149.07
  6. Step 6: Final answer
    x = 1,984,823,545.84

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.