Home / 808,728,045.60-1,213,092,068.40-776,983,303.20

Finding the Fourth Proportional to 808,728,045.60, 1,213,092,068.40 and 776,983,303.20

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Solution

The fourth proportional to 808,728,045.60, 1,213,092,068.40 and 776,983,303.20 is: 1,165,474,954.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,728,045.60 : 1,213,092,068.40 = 776,983,303.20 : x
  2. Step 2: Convert to fraction form
    808,728,045.60/1,213,092,068.40 = 776,983,303.20/x
  3. Step 3: Cross multiply
    808,728,045.60x = 1,213,092,068.40 × 776,983,303.20
  4. Step 4: Simplify right side
    808,728,045.60x = 942,552,282,391,152,512
  5. Step 5: Solve for x
    x = 942,552,282,391,152,512/808,728,045.60
  6. Step 6: Final answer
    x = 1,165,474,954.80

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1.5x scale

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.