Home / 706,870,344,212.56-975,484,054,118.08-398,225,406,605.64

Finding the Fourth Proportional to 706,870,344,212.56, 975,484,054,118.08 and 398,225,406,605.64

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Solution

The fourth proportional to 706,870,344,212.56, 975,484,054,118.08 and 398,225,406,605.64 is: 549,552,739,436.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,870,344,212.56 : 975,484,054,118.08 = 398,225,406,605.64 : x
  2. Step 2: Convert to fraction form
    706,870,344,212.56/975,484,054,118.08 = 398,225,406,605.64/x
  3. Step 3: Cross multiply
    706,870,344,212.56x = 975,484,054,118.08 × 398,225,406,605.64
  4. Step 4: Simplify right side
    706,870,344,212.56x = 388,462,534,088,490,569,695,232
  5. Step 5: Solve for x
    x = 388,462,534,088,490,569,695,232/706,870,344,212.56
  6. Step 6: Final answer
    x = 549,552,739,436.58

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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.