Home / 247,993,730,354.77-371,688,385,957.76-128,545,201,750.93

Finding the Fourth Proportional to 247,993,730,354.77, 371,688,385,957.76 and 128,545,201,750.93

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Solution

The fourth proportional to 247,993,730,354.77, 371,688,385,957.76 and 128,545,201,750.93 is: 192,661,155,155.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,993,730,354.77 : 371,688,385,957.76 = 128,545,201,750.93 : x
  2. Step 2: Convert to fraction form
    247,993,730,354.77/371,688,385,957.76 = 128,545,201,750.93/x
  3. Step 3: Cross multiply
    247,993,730,354.77x = 371,688,385,957.76 × 128,545,201,750.93
  4. Step 4: Simplify right side
    247,993,730,354.77x = 47,778,758,561,417,798,877,184
  5. Step 5: Solve for x
    x = 47,778,758,561,417,798,877,184/247,993,730,354.77
  6. Step 6: Final answer
    x = 192,661,155,155.28

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1.5x scale

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.