Home / 808,963,012,607.76-1,116,360,069,895.40-438,157,205,456.40

Finding the Fourth Proportional to 808,963,012,607.76, 1,116,360,069,895.40 and 438,157,205,456.40

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Solution

The fourth proportional to 808,963,012,607.76, 1,116,360,069,895.40 and 438,157,205,456.40 is: 604,652,129,807.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,963,012,607.76 : 1,116,360,069,895.40 = 438,157,205,456.40 : x
  2. Step 2: Convert to fraction form
    808,963,012,607.76/1,116,360,069,895.40 = 438,157,205,456.40/x
  3. Step 3: Cross multiply
    808,963,012,607.76x = 1,116,360,069,895.40 × 438,157,205,456.40
  4. Step 4: Simplify right side
    808,963,012,607.76x = 489,141,208,508,479,853,035,520
  5. Step 5: Solve for x
    x = 489,141,208,508,479,853,035,520/808,963,012,607.76
  6. Step 6: Final answer
    x = 604,652,129,807.14

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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.