Home / 1,087,998,212.40-1,631,837,886.30-535,152,245.16

Finding the Fourth Proportional to 1,087,998,212.40, 1,631,837,886.30 and 535,152,245.16

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Solution

The fourth proportional to 1,087,998,212.40, 1,631,837,886.30 and 535,152,245.16 is: 802,649,947.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,998,212.40 : 1,631,837,886.30 = 535,152,245.16 : x
  2. Step 2: Convert to fraction form
    1,087,998,212.40/1,631,837,886.30 = 535,152,245.16/x
  3. Step 3: Cross multiply
    1,087,998,212.40x = 1,631,837,886.30 × 535,152,245.16
  4. Step 4: Simplify right side
    1,087,998,212.40x = 873,281,708,590,593,792
  5. Step 5: Solve for x
    x = 873,281,708,590,593,792/1,087,998,212.40
  6. Step 6: Final answer
    x = 802,649,947.98

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.