Home / 1,202,386,971.98-1,803,628,088.50-571,967,600.78

Finding the Fourth Proportional to 1,202,386,971.98, 1,803,628,088.50 and 571,967,600.78

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Solution

The fourth proportional to 1,202,386,971.98, 1,803,628,088.50 and 571,967,600.78 is: 857,974,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,386,971.98 : 1,803,628,088.50 = 571,967,600.78 : x
  2. Step 2: Convert to fraction form
    1,202,386,971.98/1,803,628,088.50 = 571,967,600.78/x
  3. Step 3: Cross multiply
    1,202,386,971.98x = 1,803,628,088.50 × 571,967,600.78
  4. Step 4: Simplify right side
    1,202,386,971.98x = 1,031,616,830,478,762,496
  5. Step 5: Solve for x
    x = 1,031,616,830,478,762,496/1,202,386,971.98
  6. Step 6: Final answer
    x = 857,974,058.70

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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.