Home / 1,191,490,454.61-1,644,271,703.04-655,703,762.13

Finding the Fourth Proportional to 1,191,490,454.61, 1,644,271,703.04 and 655,703,762.13

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Solution

The fourth proportional to 1,191,490,454.61, 1,644,271,703.04 and 655,703,762.13 is: 904,879,378.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,490,454.61 : 1,644,271,703.04 = 655,703,762.13 : x
  2. Step 2: Convert to fraction form
    1,191,490,454.61/1,644,271,703.04 = 655,703,762.13/x
  3. Step 3: Cross multiply
    1,191,490,454.61x = 1,644,271,703.04 × 655,703,762.13
  4. Step 4: Simplify right side
    1,191,490,454.61x = 1,078,155,141,647,230,080
  5. Step 5: Solve for x
    x = 1,078,155,141,647,230,080/1,191,490,454.61
  6. Step 6: Final answer
    x = 904,879,378.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.