Home / 1,210,207,356.60-1,815,311,034.90-1,038,020,472.60

Finding the Fourth Proportional to 1,210,207,356.60, 1,815,311,034.90 and 1,038,020,472.60

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Solution

The fourth proportional to 1,210,207,356.60, 1,815,311,034.90 and 1,038,020,472.60 is: 1,557,030,708.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,207,356.60 : 1,815,311,034.90 = 1,038,020,472.60 : x
  2. Step 2: Convert to fraction form
    1,210,207,356.60/1,815,311,034.90 = 1,038,020,472.60/x
  3. Step 3: Cross multiply
    1,210,207,356.60x = 1,815,311,034.90 × 1,038,020,472.60
  4. Step 4: Simplify right side
    1,210,207,356.60x = 1,884,330,018,362,893,312
  5. Step 5: Solve for x
    x = 1,884,330,018,362,893,312/1,210,207,356.60
  6. Step 6: Final answer
    x = 1,557,030,708.90

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Double scale
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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.