Home / 712,550,644.80-1,068,825,967.20-470,486,875.20

Finding the Fourth Proportional to 712,550,644.80, 1,068,825,967.20 and 470,486,875.20

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Solution

The fourth proportional to 712,550,644.80, 1,068,825,967.20 and 470,486,875.20 is: 705,730,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,550,644.80 : 1,068,825,967.20 = 470,486,875.20 : x
  2. Step 2: Convert to fraction form
    712,550,644.80/1,068,825,967.20 = 470,486,875.20/x
  3. Step 3: Cross multiply
    712,550,644.80x = 1,068,825,967.20 × 470,486,875.20
  4. Step 4: Simplify right side
    712,550,644.80x = 502,868,589,440,545,728
  5. Step 5: Solve for x
    x = 502,868,589,440,545,728/712,550,644.80
  6. Step 6: Final answer
    x = 705,730,312.80

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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.