Home / 1,276,495,007.94-1,915,324,296.84-655,146,577.13

Finding the Fourth Proportional to 1,276,495,007.94, 1,915,324,296.84 and 655,146,577.13

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Solution

The fourth proportional to 1,276,495,007.94, 1,915,324,296.84 and 655,146,577.13 is: 983,018,460.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,495,007.94 : 1,915,324,296.84 = 655,146,577.13 : x
  2. Step 2: Convert to fraction form
    1,276,495,007.94/1,915,324,296.84 = 655,146,577.13/x
  3. Step 3: Cross multiply
    1,276,495,007.94x = 1,915,324,296.84 × 655,146,577.13
  4. Step 4: Simplify right side
    1,276,495,007.94x = 1,254,818,157,159,073,280
  5. Step 5: Solve for x
    x = 1,254,818,157,159,073,280/1,276,495,007.94
  6. Step 6: Final answer
    x = 983,018,460.20

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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.