Home / 976,941,686.40-1,348,192,672.64-530,913,903.36

Finding the Fourth Proportional to 976,941,686.40, 1,348,192,672.64 and 530,913,903.36

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Solution

The fourth proportional to 976,941,686.40, 1,348,192,672.64 and 530,913,903.36 is: 732,668,330.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,941,686.40 : 1,348,192,672.64 = 530,913,903.36 : x
  2. Step 2: Convert to fraction form
    976,941,686.40/1,348,192,672.64 = 530,913,903.36/x
  3. Step 3: Cross multiply
    976,941,686.40x = 1,348,192,672.64 × 530,913,903.36
  4. Step 4: Simplify right side
    976,941,686.40x = 715,774,234,312,653,184
  5. Step 5: Solve for x
    x = 715,774,234,312,653,184/976,941,686.40
  6. Step 6: Final answer
    x = 732,668,330.44

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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.