Home / 660,798,045.45-991,197,068.18-354,688,029.45

Finding the Fourth Proportional to 660,798,045.45, 991,197,068.18 and 354,688,029.45

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Solution

The fourth proportional to 660,798,045.45, 991,197,068.18 and 354,688,029.45 is: 532,032,044.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,798,045.45 : 991,197,068.18 = 354,688,029.45 : x
  2. Step 2: Convert to fraction form
    660,798,045.45/991,197,068.18 = 354,688,029.45/x
  3. Step 3: Cross multiply
    660,798,045.45x = 991,197,068.18 × 354,688,029.45
  4. Step 4: Simplify right side
    660,798,045.45x = 351,565,734,907,608,000
  5. Step 5: Solve for x
    x = 351,565,734,907,608,000/660,798,045.45
  6. Step 6: Final answer
    x = 532,032,044.18

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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.