Home / 1,151,468,828.80-1,588,890,425.28-649,648,360.96

Finding the Fourth Proportional to 1,151,468,828.80, 1,588,890,425.28 and 649,648,360.96

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Solution

The fourth proportional to 1,151,468,828.80, 1,588,890,425.28 and 649,648,360.96 is: 896,437,693.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,468,828.80 : 1,588,890,425.28 = 649,648,360.96 : x
  2. Step 2: Convert to fraction form
    1,151,468,828.80/1,588,890,425.28 = 649,648,360.96/x
  3. Step 3: Cross multiply
    1,151,468,828.80x = 1,588,890,425.28 × 649,648,360.96
  4. Step 4: Simplify right side
    1,151,468,828.80x = 1,032,220,060,528,189,440
  5. Step 5: Solve for x
    x = 1,032,220,060,528,189,440/1,151,468,828.80
  6. Step 6: Final answer
    x = 896,437,693.07

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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.