Home / 2,087,079,627.53-2,880,484,718.07-1,272,813,441.85

Finding the Fourth Proportional to 2,087,079,627.53, 2,880,484,718.07 and 1,272,813,441.85

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Solution

The fourth proportional to 2,087,079,627.53, 2,880,484,718.07 and 1,272,813,441.85 is: 1,756,674,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,079,627.53 : 2,880,484,718.07 = 1,272,813,441.85 : x
  2. Step 2: Convert to fraction form
    2,087,079,627.53/2,880,484,718.07 = 1,272,813,441.85/x
  3. Step 3: Cross multiply
    2,087,079,627.53x = 2,880,484,718.07 × 1,272,813,441.85
  4. Step 4: Simplify right side
    2,087,079,627.53x = 3,666,319,668,211,028,480
  5. Step 5: Solve for x
    x = 3,666,319,668,211,028,480/2,087,079,627.53
  6. Step 6: Final answer
    x = 1,756,674,551.30

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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.