Home / 253,892,549,637.69-350,361,143,935.76-138,149,763,806.14

Finding the Fourth Proportional to 253,892,549,637.69, 350,361,143,935.76 and 138,149,763,806.14

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Solution

The fourth proportional to 253,892,549,637.69, 350,361,143,935.76 and 138,149,763,806.14 is: 190,640,920,147.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,892,549,637.69 : 350,361,143,935.76 = 138,149,763,806.14 : x
  2. Step 2: Convert to fraction form
    253,892,549,637.69/350,361,143,935.76 = 138,149,763,806.14/x
  3. Step 3: Cross multiply
    253,892,549,637.69x = 350,361,143,935.76 × 138,149,763,806.14
  4. Step 4: Simplify right side
    253,892,549,637.69x = 48,402,309,281,574,270,533,632
  5. Step 5: Solve for x
    x = 48,402,309,281,574,270,533,632/253,892,549,637.69
  6. Step 6: Final answer
    x = 190,640,920,147.70

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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.