Home / 935,572,234.32-1,290,883,275.95-553,904,753.49

Finding the Fourth Proportional to 935,572,234.32, 1,290,883,275.95 and 553,904,753.49

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Solution

The fourth proportional to 935,572,234.32, 1,290,883,275.95 and 553,904,753.49 is: 764,266,356.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,572,234.32 : 1,290,883,275.95 = 553,904,753.49 : x
  2. Step 2: Convert to fraction form
    935,572,234.32/1,290,883,275.95 = 553,904,753.49/x
  3. Step 3: Cross multiply
    935,572,234.32x = 1,290,883,275.95 × 553,904,753.49
  4. Step 4: Simplify right side
    935,572,234.32x = 715,026,382,746,678,784
  5. Step 5: Solve for x
    x = 715,026,382,746,678,784/935,572,234.32
  6. Step 6: Final answer
    x = 764,266,356.48

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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.