Home / 497,415,687.60-744,779,838.60-389,920,263.60

Finding the Fourth Proportional to 497,415,687.60, 744,779,838.60 and 389,920,263.60

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Solution

The fourth proportional to 497,415,687.60, 744,779,838.60 and 389,920,263.60 is: 583,827,085.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,415,687.60 : 744,779,838.60 = 389,920,263.60 : x
  2. Step 2: Convert to fraction form
    497,415,687.60/744,779,838.60 = 389,920,263.60/x
  3. Step 3: Cross multiply
    497,415,687.60x = 744,779,838.60 × 389,920,263.60
  4. Step 4: Simplify right side
    497,415,687.60x = 290,404,750,990,877,504
  5. Step 5: Solve for x
    x = 290,404,750,990,877,504/497,415,687.60
  6. Step 6: Final answer
    x = 583,827,085.13

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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.