Home / 7,612,695,458.40-11,418,791,918.76-3,130,634,978.40

Finding the Fourth Proportional to 7,612,695,458.40, 11,418,791,918.76 and 3,130,634,978.40

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Solution

The fourth proportional to 7,612,695,458.40, 11,418,791,918.76 and 3,130,634,978.40 is: 4,695,849,136.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,612,695,458.40 : 11,418,791,918.76 = 3,130,634,978.40 : x
  2. Step 2: Convert to fraction form
    7,612,695,458.40/11,418,791,918.76 = 3,130,634,978.40/x
  3. Step 3: Cross multiply
    7,612,695,458.40x = 11,418,791,918.76 × 3,130,634,978.40
  4. Step 4: Simplify right side
    7,612,695,458.40x = 35,748,069,391,941,308,416
  5. Step 5: Solve for x
    x = 35,748,069,391,941,308,416/7,612,695,458.40
  6. Step 6: Final answer
    x = 4,695,849,136.13

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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.