Home / 314,924,428.80-472,386,643.20-251,223,436.80

Finding the Fourth Proportional to 314,924,428.80, 472,386,643.20 and 251,223,436.80

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Solution

The fourth proportional to 314,924,428.80, 472,386,643.20 and 251,223,436.80 is: 376,835,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,924,428.80 : 472,386,643.20 = 251,223,436.80 : x
  2. Step 2: Convert to fraction form
    314,924,428.80/472,386,643.20 = 251,223,436.80/x
  3. Step 3: Cross multiply
    314,924,428.80x = 472,386,643.20 × 251,223,436.80
  4. Step 4: Simplify right side
    314,924,428.80x = 118,674,596,003,119,360
  5. Step 5: Solve for x
    x = 118,674,596,003,119,360/314,924,428.80
  6. Step 6: Final answer
    x = 376,835,155.20

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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.