Home / 402,894,249.40-604,341,374.10-144,117,911.80

Finding the Fourth Proportional to 402,894,249.40, 604,341,374.10 and 144,117,911.80

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Solution

The fourth proportional to 402,894,249.40, 604,341,374.10 and 144,117,911.80 is: 216,176,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,894,249.40 : 604,341,374.10 = 144,117,911.80 : x
  2. Step 2: Convert to fraction form
    402,894,249.40/604,341,374.10 = 144,117,911.80/x
  3. Step 3: Cross multiply
    402,894,249.40x = 604,341,374.10 × 144,117,911.80
  4. Step 4: Simplify right side
    402,894,249.40x = 87,096,416,849,634,608
  5. Step 5: Solve for x
    x = 87,096,416,849,634,608/402,894,249.40
  6. Step 6: Final answer
    x = 216,176,867.70

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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.