Home / 970,376,802.48-1,455,032,156.76-478,006,703.28

Finding the Fourth Proportional to 970,376,802.48, 1,455,032,156.76 and 478,006,703.28

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Solution

The fourth proportional to 970,376,802.48, 1,455,032,156.76 and 478,006,703.28 is: 716,747,476.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,376,802.48 : 1,455,032,156.76 = 478,006,703.28 : x
  2. Step 2: Convert to fraction form
    970,376,802.48/1,455,032,156.76 = 478,006,703.28/x
  3. Step 3: Cross multiply
    970,376,802.48x = 1,455,032,156.76 × 478,006,703.28
  4. Step 4: Simplify right side
    970,376,802.48x = 695,515,124,419,235,712
  5. Step 5: Solve for x
    x = 695,515,124,419,235,712/970,376,802.48
  6. Step 6: Final answer
    x = 716,747,476.49

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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.