Home / 897,684,769.20-1,347,377,459.40-553,311,001.20

Finding the Fourth Proportional to 897,684,769.20, 1,347,377,459.40 and 553,311,001.20

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Solution

The fourth proportional to 897,684,769.20, 1,347,377,459.40 and 553,311,001.20 is: 830,490,609.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,684,769.20 : 1,347,377,459.40 = 553,311,001.20 : x
  2. Step 2: Convert to fraction form
    897,684,769.20/1,347,377,459.40 = 553,311,001.20/x
  3. Step 3: Cross multiply
    897,684,769.20x = 1,347,377,459.40 × 553,311,001.20
  4. Step 4: Simplify right side
    897,684,769.20x = 745,518,771,054,926,464
  5. Step 5: Solve for x
    x = 745,518,771,054,926,464/897,684,769.20
  6. Step 6: Final answer
    x = 830,490,609.44

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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.