Home / 1,209,021,543.62-1,813,464,100.50-535,782,729.26

Finding the Fourth Proportional to 1,209,021,543.62, 1,813,464,100.50 and 535,782,729.26

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Solution

The fourth proportional to 1,209,021,543.62, 1,813,464,100.50 and 535,782,729.26 is: 803,643,864.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,021,543.62 : 1,813,464,100.50 = 535,782,729.26 : x
  2. Step 2: Convert to fraction form
    1,209,021,543.62/1,813,464,100.50 = 535,782,729.26/x
  3. Step 3: Cross multiply
    1,209,021,543.62x = 1,813,464,100.50 × 535,782,729.26
  4. Step 4: Simplify right side
    1,209,021,543.62x = 971,622,745,180,920,960
  5. Step 5: Solve for x
    x = 971,622,745,180,920,960/1,209,021,543.62
  6. Step 6: Final answer
    x = 803,643,864.17

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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.