Home / 15,496,852,502,691-21,386,306,154,792-8,912,353,303,373

Finding the Fourth Proportional to 15,496,852,502,691, 21,386,306,154,792 and 8,912,353,303,373

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Solution

The fourth proportional to 15,496,852,502,691, 21,386,306,154,792 and 8,912,353,303,373 is: 12,299,421,206,500.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,496,852,502,691 : 21,386,306,154,792 = 8,912,353,303,373 : x
  2. Step 2: Convert to fraction form
    15,496,852,502,691/21,386,306,154,792 = 8,912,353,303,373/x
  3. Step 3: Cross multiply
    15,496,852,502,691x = 21,386,306,154,792 × 8,912,353,303,373
  4. Step 4: Simplify right side
    15,496,852,502,691x = 190,602,316,305,606,793,211,412,480
  5. Step 5: Solve for x
    x = 190,602,316,305,606,793,211,412,480/15,496,852,502,691
  6. Step 6: Final answer
    x = 12,299,421,206,500.42

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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.