Home / 610,543,803.76-842,473,925.40-412,735,686.64

Finding the Fourth Proportional to 610,543,803.76, 842,473,925.40 and 412,735,686.64

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Solution

The fourth proportional to 610,543,803.76, 842,473,925.40 and 412,735,686.64 is: 569,523,516.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,543,803.76 : 842,473,925.40 = 412,735,686.64 : x
  2. Step 2: Convert to fraction form
    610,543,803.76/842,473,925.40 = 412,735,686.64/x
  3. Step 3: Cross multiply
    610,543,803.76x = 842,473,925.40 × 412,735,686.64
  4. Step 4: Simplify right side
    610,543,803.76x = 347,719,054,076,265,088
  5. Step 5: Solve for x
    x = 347,719,054,076,265,088/610,543,803.76
  6. Step 6: Final answer
    x = 569,523,516.47

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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.