Home / 540,079,940.50-745,430,218.08-328,341,779.52

Finding the Fourth Proportional to 540,079,940.50, 745,430,218.08 and 328,341,779.52

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Solution

The fourth proportional to 540,079,940.50, 745,430,218.08 and 328,341,779.52 is: 453,184,549.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,079,940.50 : 745,430,218.08 = 328,341,779.52 : x
  2. Step 2: Convert to fraction form
    540,079,940.50/745,430,218.08 = 328,341,779.52/x
  3. Step 3: Cross multiply
    540,079,940.50x = 745,430,218.08 × 328,341,779.52
  4. Step 4: Simplify right side
    540,079,940.50x = 244,755,884,312,368,864
  5. Step 5: Solve for x
    x = 244,755,884,312,368,864/540,079,940.50
  6. Step 6: Final answer
    x = 453,184,549.10

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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.