Home / 897,691,111.20-1,347,386,972.40-553,317,343.20

Finding the Fourth Proportional to 897,691,111.20, 1,347,386,972.40 and 553,317,343.20

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Solution

The fourth proportional to 897,691,111.20, 1,347,386,972.40 and 553,317,343.20 is: 830,500,124.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,691,111.20 : 1,347,386,972.40 = 553,317,343.20 : x
  2. Step 2: Convert to fraction form
    897,691,111.20/1,347,386,972.40 = 553,317,343.20/x
  3. Step 3: Cross multiply
    897,691,111.20x = 1,347,386,972.40 × 553,317,343.20
  4. Step 4: Simplify right side
    897,691,111.20x = 745,532,579,830,659,840
  5. Step 5: Solve for x
    x = 745,532,579,830,659,840/897,691,111.20
  6. Step 6: Final answer
    x = 830,500,124.74

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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.