Home / 579,225,911.40-868,838,867.10-268,332,926.40

Finding the Fourth Proportional to 579,225,911.40, 868,838,867.10 and 268,332,926.40

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Solution

The fourth proportional to 579,225,911.40, 868,838,867.10 and 268,332,926.40 is: 402,499,389.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,225,911.40 : 868,838,867.10 = 268,332,926.40 : x
  2. Step 2: Convert to fraction form
    579,225,911.40/868,838,867.10 = 268,332,926.40/x
  3. Step 3: Cross multiply
    579,225,911.40x = 868,838,867.10 × 268,332,926.40
  4. Step 4: Simplify right side
    579,225,911.40x = 233,138,075,779,003,680
  5. Step 5: Solve for x
    x = 233,138,075,779,003,680/579,225,911.40
  6. Step 6: Final answer
    x = 402,499,389.60

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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.