Home / 689,807,841,292.77-1,034,748,303,817.50-212,604,901,962.46

Finding the Fourth Proportional to 689,807,841,292.77, 1,034,748,303,817.50 and 212,604,901,962.46

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Solution

The fourth proportional to 689,807,841,292.77, 1,034,748,303,817.50 and 212,604,901,962.46 is: 318,918,615,475.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,807,841,292.77 : 1,034,748,303,817.50 = 212,604,901,962.46 : x
  2. Step 2: Convert to fraction form
    689,807,841,292.77/1,034,748,303,817.50 = 212,604,901,962.46/x
  3. Step 3: Cross multiply
    689,807,841,292.77x = 1,034,748,303,817.50 × 212,604,901,962.46
  4. Step 4: Simplify right side
    689,807,841,292.77x = 219,992,561,688,941,353,238,528
  5. Step 5: Solve for x
    x = 219,992,561,688,941,353,238,528/689,807,841,292.77
  6. Step 6: Final answer
    x = 318,918,615,475.08

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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.