Home / 1,306,919,390.40-1,960,379,085.60-1,011,013,041.60

Finding the Fourth Proportional to 1,306,919,390.40, 1,960,379,085.60 and 1,011,013,041.60

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Solution

The fourth proportional to 1,306,919,390.40, 1,960,379,085.60 and 1,011,013,041.60 is: 1,516,519,562.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,919,390.40 : 1,960,379,085.60 = 1,011,013,041.60 : x
  2. Step 2: Convert to fraction form
    1,306,919,390.40/1,960,379,085.60 = 1,011,013,041.60/x
  3. Step 3: Cross multiply
    1,306,919,390.40x = 1,960,379,085.60 × 1,011,013,041.60
  4. Step 4: Simplify right side
    1,306,919,390.40x = 1,981,968,822,021,482,752
  5. Step 5: Solve for x
    x = 1,981,968,822,021,482,752/1,306,919,390.40
  6. Step 6: Final answer
    x = 1,516,519,562.40

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Double scale
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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.