Home / 458,842,054.02-688,262,457.74-213,064,292.67

Finding the Fourth Proportional to 458,842,054.02, 688,262,457.74 and 213,064,292.67

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Solution

The fourth proportional to 458,842,054.02, 688,262,457.74 and 213,064,292.67 is: 319,596,149.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,842,054.02 : 688,262,457.74 = 213,064,292.67 : x
  2. Step 2: Convert to fraction form
    458,842,054.02/688,262,457.74 = 213,064,292.67/x
  3. Step 3: Cross multiply
    458,842,054.02x = 688,262,457.74 × 213,064,292.67
  4. Step 4: Simplify right side
    458,842,054.02x = 146,644,153,728,623,552
  5. Step 5: Solve for x
    x = 146,644,153,728,623,552/458,842,054.02
  6. Step 6: Final answer
    x = 319,596,149.58

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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.