Home / 13,138,838,484-18,127,133,061.36-7,496,000,570.40

Finding the Fourth Proportional to 13,138,838,484, 18,127,133,061.36 and 7,496,000,570.40

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Solution

The fourth proportional to 13,138,838,484, 18,127,133,061.36 and 7,496,000,570.40 is: 10,341,933,948.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,138,838,484 : 18,127,133,061.36 = 7,496,000,570.40 : x
  2. Step 2: Convert to fraction form
    13,138,838,484/18,127,133,061.36 = 7,496,000,570.40/x
  3. Step 3: Cross multiply
    13,138,838,484x = 18,127,133,061.36 × 7,496,000,570.40
  4. Step 4: Simplify right side
    13,138,838,484x = 135,880,999,767,671,259,136
  5. Step 5: Solve for x
    x = 135,880,999,767,671,259,136/13,138,838,484
  6. Step 6: Final answer
    x = 10,341,933,948.97

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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.