Home / 829,982,762.57-1,145,904,457.79-517,176,521.93

Finding the Fourth Proportional to 829,982,762.57, 1,145,904,457.79 and 517,176,521.93

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Solution

The fourth proportional to 829,982,762.57, 1,145,904,457.79 and 517,176,521.93 is: 714,032,759.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,982,762.57 : 1,145,904,457.79 = 517,176,521.93 : x
  2. Step 2: Convert to fraction form
    829,982,762.57/1,145,904,457.79 = 517,176,521.93/x
  3. Step 3: Cross multiply
    829,982,762.57x = 1,145,904,457.79 × 517,176,521.93
  4. Step 4: Simplify right side
    829,982,762.57x = 592,634,881,939,478,144
  5. Step 5: Solve for x
    x = 592,634,881,939,478,144/829,982,762.57
  6. Step 6: Final answer
    x = 714,032,759.08

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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.