Home / 706,870,344,214.56-975,484,054,120.84-398,225,406,607.64

Finding the Fourth Proportional to 706,870,344,214.56, 975,484,054,120.84 and 398,225,406,607.64

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Solution

The fourth proportional to 706,870,344,214.56, 975,484,054,120.84 and 398,225,406,607.64 is: 549,552,739,439.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,870,344,214.56 : 975,484,054,120.84 = 398,225,406,607.64 : x
  2. Step 2: Convert to fraction form
    706,870,344,214.56/975,484,054,120.84 = 398,225,406,607.64/x
  3. Step 3: Cross multiply
    706,870,344,214.56x = 975,484,054,120.84 × 398,225,406,607.64
  4. Step 4: Simplify right side
    706,870,344,214.56x = 388,462,534,091,540,600,455,168
  5. Step 5: Solve for x
    x = 388,462,534,091,540,600,455,168/706,870,344,214.56
  6. Step 6: Final answer
    x = 549,552,739,439.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.