Home / 391,140,578,891.70-586,710,868,337.55-380,120,618,315.70

Finding the Fourth Proportional to 391,140,578,891.70, 586,710,868,337.55 and 380,120,618,315.70

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Solution

The fourth proportional to 391,140,578,891.70, 586,710,868,337.55 and 380,120,618,315.70 is: 570,180,927,473.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,140,578,891.70 : 586,710,868,337.55 = 380,120,618,315.70 : x
  2. Step 2: Convert to fraction form
    391,140,578,891.70/586,710,868,337.55 = 380,120,618,315.70/x
  3. Step 3: Cross multiply
    391,140,578,891.70x = 586,710,868,337.55 × 380,120,618,315.70
  4. Step 4: Simplify right side
    391,140,578,891.70x = 223,020,898,045,010,796,085,248
  5. Step 5: Solve for x
    x = 223,020,898,045,010,796,085,248/391,140,578,891.70
  6. Step 6: Final answer
    x = 570,180,927,473.55

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1.5x scale

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.