Home / 745,120,715.40-1,117,681,073.10-740,018,881.80

Finding the Fourth Proportional to 745,120,715.40, 1,117,681,073.10 and 740,018,881.80

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Solution

The fourth proportional to 745,120,715.40, 1,117,681,073.10 and 740,018,881.80 is: 1,110,028,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,120,715.40 : 1,117,681,073.10 = 740,018,881.80 : x
  2. Step 2: Convert to fraction form
    745,120,715.40/1,117,681,073.10 = 740,018,881.80/x
  3. Step 3: Cross multiply
    745,120,715.40x = 1,117,681,073.10 × 740,018,881.80
  4. Step 4: Simplify right side
    745,120,715.40x = 827,105,097,924,485,888
  5. Step 5: Solve for x
    x = 827,105,097,924,485,888/745,120,715.40
  6. Step 6: Final answer
    x = 1,110,028,322.70

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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.