Home / 970,552,401.60-1,455,828,602.40-315,502,161.60

Finding the Fourth Proportional to 970,552,401.60, 1,455,828,602.40 and 315,502,161.60

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Solution

The fourth proportional to 970,552,401.60, 1,455,828,602.40 and 315,502,161.60 is: 473,253,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,552,401.60 : 1,455,828,602.40 = 315,502,161.60 : x
  2. Step 2: Convert to fraction form
    970,552,401.60/1,455,828,602.40 = 315,502,161.60/x
  3. Step 3: Cross multiply
    970,552,401.60x = 1,455,828,602.40 × 315,502,161.60
  4. Step 4: Simplify right side
    970,552,401.60x = 459,317,070,976,307,008
  5. Step 5: Solve for x
    x = 459,317,070,976,307,008/970,552,401.60
  6. Step 6: Final answer
    x = 473,253,242.40

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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.