Home / 624,150,459.60-861,001,075.59-385,919,488.89

Finding the Fourth Proportional to 624,150,459.60, 861,001,075.59 and 385,919,488.89

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Solution

The fourth proportional to 624,150,459.60, 861,001,075.59 and 385,919,488.89 is: 532,366,979.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,150,459.60 : 861,001,075.59 = 385,919,488.89 : x
  2. Step 2: Convert to fraction form
    624,150,459.60/861,001,075.59 = 385,919,488.89/x
  3. Step 3: Cross multiply
    624,150,459.60x = 861,001,075.59 × 385,919,488.89
  4. Step 4: Simplify right side
    624,150,459.60x = 332,277,095,025,433,024
  5. Step 5: Solve for x
    x = 332,277,095,025,433,024/624,150,459.60
  6. Step 6: Final answer
    x = 532,366,979.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.