Home / 712,575,793.95-1,068,863,690.93-440,478,001.95

Finding the Fourth Proportional to 712,575,793.95, 1,068,863,690.93 and 440,478,001.95

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Solution

The fourth proportional to 712,575,793.95, 1,068,863,690.93 and 440,478,001.95 is: 660,717,002.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,575,793.95 : 1,068,863,690.93 = 440,478,001.95 : x
  2. Step 2: Convert to fraction form
    712,575,793.95/1,068,863,690.93 = 440,478,001.95/x
  3. Step 3: Cross multiply
    712,575,793.95x = 1,068,863,690.93 × 440,478,001.95
  4. Step 4: Simplify right side
    712,575,793.95x = 470,810,942,935,546,304
  5. Step 5: Solve for x
    x = 470,810,942,935,546,304/712,575,793.95
  6. Step 6: Final answer
    x = 660,717,002.93

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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.