Home / 239,643,604,428.02-330,708,352,408.28-129,778,803,321.39

Finding the Fourth Proportional to 239,643,604,428.02, 330,708,352,408.28 and 129,778,803,321.39

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Solution

The fourth proportional to 239,643,604,428.02, 330,708,352,408.28 and 129,778,803,321.39 is: 179,094,845,140.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,643,604,428.02 : 330,708,352,408.28 = 129,778,803,321.39 : x
  2. Step 2: Convert to fraction form
    239,643,604,428.02/330,708,352,408.28 = 129,778,803,321.39/x
  3. Step 3: Cross multiply
    239,643,604,428.02x = 330,708,352,408.28 × 129,778,803,321.39
  4. Step 4: Simplify right side
    239,643,604,428.02x = 42,918,934,223,935,105,925,120
  5. Step 5: Solve for x
    x = 42,918,934,223,935,105,925,120/239,643,604,428.02
  6. Step 6: Final answer
    x = 179,094,845,140.45

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1.5x scale

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.