Home / 806,955,219.60-1,210,432,829.40-531,456,205.20

Finding the Fourth Proportional to 806,955,219.60, 1,210,432,829.40 and 531,456,205.20

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Solution

The fourth proportional to 806,955,219.60, 1,210,432,829.40 and 531,456,205.20 is: 797,184,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,955,219.60 : 1,210,432,829.40 = 531,456,205.20 : x
  2. Step 2: Convert to fraction form
    806,955,219.60/1,210,432,829.40 = 531,456,205.20/x
  3. Step 3: Cross multiply
    806,955,219.60x = 1,210,432,829.40 × 531,456,205.20
  4. Step 4: Simplify right side
    806,955,219.60x = 643,292,038,162,423,040
  5. Step 5: Solve for x
    x = 643,292,038,162,423,040/806,955,219.60
  6. Step 6: Final answer
    x = 797,184,307.80

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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.