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Finding the Fourth Proportional to 303,710,208,139.20, 455,565,312,208.80 and 303,710,208,139.20

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Solution

The fourth proportional to 303,710,208,139.20, 455,565,312,208.80 and 303,710,208,139.20 is: 455,565,312,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,710,208,139.20 : 455,565,312,208.80 = 303,710,208,139.20 : x
  2. Step 2: Convert to fraction form
    303,710,208,139.20/455,565,312,208.80 = 303,710,208,139.20/x
  3. Step 3: Cross multiply
    303,710,208,139.20x = 455,565,312,208.80 × 303,710,208,139.20
  4. Step 4: Simplify right side
    303,710,208,139.20x = 138,359,835,791,934,273,617,920
  5. Step 5: Solve for x
    x = 138,359,835,791,934,273,617,920/303,710,208,139.20
  6. Step 6: Final answer
    x = 455,565,312,208.80

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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.