Home / 535,745,630,942.58-738,832,354,712.18-391,000,489,510.28

Finding the Fourth Proportional to 535,745,630,942.58, 738,832,354,712.18 and 391,000,489,510.28

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Solution

The fourth proportional to 535,745,630,942.58, 738,832,354,712.18 and 391,000,489,510.28 is: 539,218,232,821.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,745,630,942.58 : 738,832,354,712.18 = 391,000,489,510.28 : x
  2. Step 2: Convert to fraction form
    535,745,630,942.58/738,832,354,712.18 = 391,000,489,510.28/x
  3. Step 3: Cross multiply
    535,745,630,942.58x = 738,832,354,712.18 × 391,000,489,510.28
  4. Step 4: Simplify right side
    535,745,630,942.58x = 288,883,812,358,495,257,231,360
  5. Step 5: Solve for x
    x = 288,883,812,358,495,257,231,360/535,745,630,942.58
  6. Step 6: Final answer
    x = 539,218,232,821.12

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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.