Home / 1,512,675,709.26-2,087,492,482.77-817,314,685.26

Finding the Fourth Proportional to 1,512,675,709.26, 2,087,492,482.77 and 817,314,685.26

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Solution

The fourth proportional to 1,512,675,709.26, 2,087,492,482.77 and 817,314,685.26 is: 1,127,894,267.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,675,709.26 : 2,087,492,482.77 = 817,314,685.26 : x
  2. Step 2: Convert to fraction form
    1,512,675,709.26/2,087,492,482.77 = 817,314,685.26/x
  3. Step 3: Cross multiply
    1,512,675,709.26x = 2,087,492,482.77 × 817,314,685.26
  4. Step 4: Simplify right side
    1,512,675,709.26x = 1,706,138,261,537,778,432
  5. Step 5: Solve for x
    x = 1,706,138,261,537,778,432/1,512,675,709.26
  6. Step 6: Final answer
    x = 1,127,894,267.82

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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.