Home / 870,023,859,913.25-1,200,473,543,690.80-484,638,615,158.18

Finding the Fourth Proportional to 870,023,859,913.25, 1,200,473,543,690.80 and 484,638,615,158.18

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Solution

The fourth proportional to 870,023,859,913.25, 1,200,473,543,690.80 and 484,638,615,158.18 is: 668,712,506,121.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,023,859,913.25 : 1,200,473,543,690.80 = 484,638,615,158.18 : x
  2. Step 2: Convert to fraction form
    870,023,859,913.25/1,200,473,543,690.80 = 484,638,615,158.18/x
  3. Step 3: Cross multiply
    870,023,859,913.25x = 1,200,473,543,690.80 × 484,638,615,158.18
  4. Step 4: Simplify right side
    870,023,859,913.25x = 581,795,835,748,342,214,688,768
  5. Step 5: Solve for x
    x = 581,795,835,748,342,214,688,768/870,023,859,913.25
  6. Step 6: Final answer
    x = 668,712,506,121.79

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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.