Home / 7,859,069,571.12-10,845,459,855.72-4,290,776,360.52

Finding the Fourth Proportional to 7,859,069,571.12, 10,845,459,855.72 and 4,290,776,360.52

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Solution

The fourth proportional to 7,859,069,571.12, 10,845,459,855.72 and 4,290,776,360.52 is: 5,921,240,720.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859,069,571.12 : 10,845,459,855.72 = 4,290,776,360.52 : x
  2. Step 2: Convert to fraction form
    7,859,069,571.12/10,845,459,855.72 = 4,290,776,360.52/x
  3. Step 3: Cross multiply
    7,859,069,571.12x = 10,845,459,855.72 × 4,290,776,360.52
  4. Step 4: Simplify right side
    7,859,069,571.12x = 46,535,442,767,892,021,248
  5. Step 5: Solve for x
    x = 46,535,442,767,892,021,248/7,859,069,571.12
  6. Step 6: Final answer
    x = 5,921,240,720.26

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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.