Home / 745,185,956.90-1,117,778,935.35-740,084,123.30

Finding the Fourth Proportional to 745,185,956.90, 1,117,778,935.35 and 740,084,123.30

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Solution

The fourth proportional to 745,185,956.90, 1,117,778,935.35 and 740,084,123.30 is: 1,110,126,184.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,185,956.90 : 1,117,778,935.35 = 740,084,123.30 : x
  2. Step 2: Convert to fraction form
    745,185,956.90/1,117,778,935.35 = 740,084,123.30/x
  3. Step 3: Cross multiply
    745,185,956.90x = 1,117,778,935.35 × 740,084,123.30
  4. Step 4: Simplify right side
    745,185,956.90x = 827,250,443,411,712,000
  5. Step 5: Solve for x
    x = 827,250,443,411,712,000/745,185,956.90
  6. Step 6: Final answer
    x = 1,110,126,184.95

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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.