Home / 870,023,859,912.72-1,200,473,543,690.10-484,638,615,157.68

Finding the Fourth Proportional to 870,023,859,912.72, 1,200,473,543,690.10 and 484,638,615,157.68

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Solution

The fourth proportional to 870,023,859,912.72, 1,200,473,543,690.10 and 484,638,615,157.68 is: 668,712,506,121.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,023,859,912.72 : 1,200,473,543,690.10 = 484,638,615,157.68 : x
  2. Step 2: Convert to fraction form
    870,023,859,912.72/1,200,473,543,690.10 = 484,638,615,157.68/x
  3. Step 3: Cross multiply
    870,023,859,912.72x = 1,200,473,543,690.10 × 484,638,615,157.68
  4. Step 4: Simplify right side
    870,023,859,912.72x = 581,795,835,747,402,757,701,632
  5. Step 5: Solve for x
    x = 581,795,835,747,402,757,701,632/870,023,859,912.72
  6. Step 6: Final answer
    x = 668,712,506,121.12

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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.