Home / 710,080,309.40-1,065,120,464.10-537,893,425.40

Finding the Fourth Proportional to 710,080,309.40, 1,065,120,464.10 and 537,893,425.40

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Solution

The fourth proportional to 710,080,309.40, 1,065,120,464.10 and 537,893,425.40 is: 806,840,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,080,309.40 : 1,065,120,464.10 = 537,893,425.40 : x
  2. Step 2: Convert to fraction form
    710,080,309.40/1,065,120,464.10 = 537,893,425.40/x
  3. Step 3: Cross multiply
    710,080,309.40x = 1,065,120,464.10 × 537,893,425.40
  4. Step 4: Simplify right side
    710,080,309.40x = 572,921,294,898,386,688
  5. Step 5: Solve for x
    x = 572,921,294,898,386,688/710,080,309.40
  6. Step 6: Final answer
    x = 806,840,138.10

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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.