Home / 1,047,786,498.65-1,571,896,663.11-426,001,836.47

Finding the Fourth Proportional to 1,047,786,498.65, 1,571,896,663.11 and 426,001,836.47

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Solution

The fourth proportional to 1,047,786,498.65, 1,571,896,663.11 and 426,001,836.47 is: 639,090,946.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,786,498.65 : 1,571,896,663.11 = 426,001,836.47 : x
  2. Step 2: Convert to fraction form
    1,047,786,498.65/1,571,896,663.11 = 426,001,836.47/x
  3. Step 3: Cross multiply
    1,047,786,498.65x = 1,571,896,663.11 × 426,001,836.47
  4. Step 4: Simplify right side
    1,047,786,498.65x = 669,630,865,218,065,280
  5. Step 5: Solve for x
    x = 669,630,865,218,065,280/1,047,786,498.65
  6. Step 6: Final answer
    x = 639,090,946.56

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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.