Home / 870,023,859,914.22-1,200,473,543,692.20-484,638,615,159.18

Finding the Fourth Proportional to 870,023,859,914.22, 1,200,473,543,692.20 and 484,638,615,159.18

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Solution

The fourth proportional to 870,023,859,914.22, 1,200,473,543,692.20 and 484,638,615,159.18 is: 668,712,506,123.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,023,859,914.22 : 1,200,473,543,692.20 = 484,638,615,159.18 : x
  2. Step 2: Convert to fraction form
    870,023,859,914.22/1,200,473,543,692.20 = 484,638,615,159.18/x
  3. Step 3: Cross multiply
    870,023,859,914.22x = 1,200,473,543,692.20 × 484,638,615,159.18
  4. Step 4: Simplify right side
    870,023,859,914.22x = 581,795,835,750,221,128,663,040
  5. Step 5: Solve for x
    x = 581,795,835,750,221,128,663,040/870,023,859,914.22
  6. Step 6: Final answer
    x = 668,712,506,123.20

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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.