Home / 385,371,803.70-577,889,743.95-155,264,411.70

Finding the Fourth Proportional to 385,371,803.70, 577,889,743.95 and 155,264,411.70

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Solution

The fourth proportional to 385,371,803.70, 577,889,743.95 and 155,264,411.70 is: 232,828,946.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,371,803.70 : 577,889,743.95 = 155,264,411.70 : x
  2. Step 2: Convert to fraction form
    385,371,803.70/577,889,743.95 = 155,264,411.70/x
  3. Step 3: Cross multiply
    385,371,803.70x = 577,889,743.95 × 155,264,411.70
  4. Step 4: Simplify right side
    385,371,803.70x = 89,725,711,121,860,384
  5. Step 5: Solve for x
    x = 89,725,711,121,860,384/385,371,803.70
  6. Step 6: Final answer
    x = 232,828,946.64

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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.