Home / 688,455,335.13-1,032,901,307.66-245,788,518.33

Finding the Fourth Proportional to 688,455,335.13, 1,032,901,307.66 and 245,788,518.33

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Solution

The fourth proportional to 688,455,335.13, 1,032,901,307.66 and 245,788,518.33 is: 368,760,715.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,455,335.13 : 1,032,901,307.66 = 245,788,518.33 : x
  2. Step 2: Convert to fraction form
    688,455,335.13/1,032,901,307.66 = 245,788,518.33/x
  3. Step 3: Cross multiply
    688,455,335.13x = 1,032,901,307.66 × 245,788,518.33
  4. Step 4: Simplify right side
    688,455,335.13x = 253,875,281,990,870,880
  5. Step 5: Solve for x
    x = 253,875,281,990,870,880/688,455,335.13
  6. Step 6: Final answer
    x = 368,760,715.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.