Home / 1,385,210,274.77-1,911,592,023.12-750,131,862.55

Finding the Fourth Proportional to 1,385,210,274.77, 1,911,592,023.12 and 750,131,862.55

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Solution

The fourth proportional to 1,385,210,274.77, 1,911,592,023.12 and 750,131,862.55 is: 1,035,182,968.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,210,274.77 : 1,911,592,023.12 = 750,131,862.55 : x
  2. Step 2: Convert to fraction form
    1,385,210,274.77/1,911,592,023.12 = 750,131,862.55/x
  3. Step 3: Cross multiply
    1,385,210,274.77x = 1,911,592,023.12 × 750,131,862.55
  4. Step 4: Simplify right side
    1,385,210,274.77x = 1,433,946,084,733,949,184
  5. Step 5: Solve for x
    x = 1,433,946,084,733,949,184/1,385,210,274.77
  6. Step 6: Final answer
    x = 1,035,182,968.86

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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.