Home / 38,916,012,312.59-58,358,926,946.14-13,385,306,178.56

Finding the Fourth Proportional to 38,916,012,312.59, 58,358,926,946.14 and 13,385,306,178.56

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Solution

The fourth proportional to 38,916,012,312.59, 58,358,926,946.14 and 13,385,306,178.56 is: 20,072,768,482.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,916,012,312.59 : 58,358,926,946.14 = 13,385,306,178.56 : x
  2. Step 2: Convert to fraction form
    38,916,012,312.59/58,358,926,946.14 = 13,385,306,178.56/x
  3. Step 3: Cross multiply
    38,916,012,312.59x = 58,358,926,946.14 × 13,385,306,178.56
  4. Step 4: Simplify right side
    38,916,012,312.59x = 781,152,105,426,389,434,368
  5. Step 5: Solve for x
    x = 781,152,105,426,389,434,368/38,916,012,312.59
  6. Step 6: Final answer
    x = 20,072,768,482.85

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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.