Home / 611,942,538.10-918,092,878.71-197,411,384.74

Finding the Fourth Proportional to 611,942,538.10, 918,092,878.71 and 197,411,384.74

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Solution

The fourth proportional to 611,942,538.10, 918,092,878.71 and 197,411,384.74 is: 296,174,845.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,942,538.10 : 918,092,878.71 = 197,411,384.74 : x
  2. Step 2: Convert to fraction form
    611,942,538.10/918,092,878.71 = 197,411,384.74/x
  3. Step 3: Cross multiply
    611,942,538.10x = 918,092,878.71 × 197,411,384.74
  4. Step 4: Simplify right side
    611,942,538.10x = 181,241,986,506,073,984
  5. Step 5: Solve for x
    x = 181,241,986,506,073,984/611,942,538.10
  6. Step 6: Final answer
    x = 296,174,845.22

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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.